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3Com 2924-PWR Switch User Manual

1. PC Terminal Cable connector RJ 45 female Cable connector 25 pin male female Screen Shell 1 Screen ly required it screen TxD 3 e e3 RxD RxD 2 o 2 TxD always required Ground 5 o e 7 Ground RTS 7 e e4 RTS CTS 8 e 20 DTR DSR 6 e e5 CTS required for handshake DCD 1 eq re 6 DSR DTR 4 e Li e 8 DCD PC AT Serial Cable RJ 45 to 9 pin PC AT Serial Port Cable connector RJ 45 female Cable connector 9 pin female Screen Shell Shell Screen required if screen DTR 4 e e 1 DCD Required for handshake TxD 3 e e2 RxD Always required RxD 2 e e 3 TxD CTS 8 e e 4 DTR required for handshake Ground 5 o e 5 Ground always required DSR 6 e e 6 DSR RTS 7 e e 7 RTS required for handshake DCD 1 e 8 CTS 222 APPENDIX C PIN OUTS Modem Cable RJ 45 to RS 232 25 pin RS 232 Modem Port Cable connector RJ 45 female Cable connector 25 pin male Screen Shell e 1 Screen TxD 3 e e 2 TxD RxD 2 o e3 RxD RTS 7 Oo 4 RTS CTS 8 e CTS DSR 6 e e 6 DSR Ground 5 e7 Ground DCD 1 e e 8 DCD DTR 4 e 20 DTR Ethernet Port RJ 45 10 100 and 1000BASE T RJ 45 connections Pin Assignments Table 10 Pin assignments Pin Number 10 1
2. FCC STATEMENT This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference to radio communications in which case the user will be required to correct the interference at their own expense INFORMATION TO THE USER If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures m Reorient the receiving antenna m Relocate the equipment with respect to the receiver m Move the equipment away from the receiver m Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio T
3. Defines whether IGMP Snooping is enabled on the device The possible field values are a Disable Indicates that IGMP Snooping is disabled on the device This is the default value a Enable Indicates that IGMP Snooping is enabled on the device m Select VLAN ID Specifies the VLAN ID a IGMP Status Defines whether IGMP snooping is enabled on the VLAN The possible field values are Disable Disables IGMP Snooping on the VLAN This is the default value 145 a Enable Enables IGMP Snooping on the VLAN a VLAN Displays the VLAN ID m Status Displays the IGMP snooping status for the VLAN The possible field values are Enable and Disable To enable or disable IGMP Snooping on the device 1 Select Enable or Disable from the IGMP Snooping Status list A W N Click Apply IGMP Snooping is enabled or disabled on the device and the device is updated To enable or disable IGMP Snooping on a selected VLAN Enable IGMP Snooping on the device Select the VLAN ID from the Select VLAN ID list Select Enable or Disable from the GMP Status list Click Apply IGMP Snooping is enabled or disabled on the VLAN and the device is updated 11 CONFIGURING SPANNING TREE This section contains information for configuring STP The Spanning Tree Protocol STP provides tree topography for any arrangement of bridges STP also provides a single path between end stations on a network eliminating loops L
4. Figure 78 CoS Setup Page Baseline Switch 2924 PWR Plus 3C om Device QoS gt CoS Setup sup Save Configoration QoS Mode Oratie 9 Select Ponisi co Security gt Monitoring Met Se Deiat oz Restore Detauk ome Loy cm The CoS Setup Page contains the following fields m QoS Mode Specifies if QoS is enabled on the device The possible values are a Disable Disables QoS on the device a Enable Enables QoS on the device m Select Port s Selects the ports to be configured m Set Default Sets the default user priority The possible field values are 0 7 where 0 is the lowest and 7 is the highest priority m Restore Default Restores the device factory defaults for CoS values Define the fields Click Apply CoS is configured on the device and the device is updated Viewing CoS to Queue Defining CoS to Queue b 165 The CoS to Queue Summary Page contains a table that displays the CoS values mapped to traffic queues To view CoS Values to Queues Click Device QoS CoS to Queue Summary The CoS to Queue Summary Page opens Figure 79 CoS to Queue Summary Page t N Baseline Switch 2924 PWR Plus Device gt QoS gt CoS to Queue Summary 3 C 0 m Summary Device Summary Save Configuration Class of Service Queue Administration gt 0 1 Device i 1 T gt 2 1 3 2 Security 4 2 Monitor
5. To modify Link Aggregation 1 Click Port gt Link Aggregation gt Modify The Link Aggregation Modify Page opens Figure 49 Link Aggregation Modify Page AoA Baseline Switch 2924 PWR Plus 3C om V Port Link Aggregation Modify ey Save Configuration Select Aggregation to Modify 1 z Select porte to add to aggregation cr De select ports to remove from aggregaten Member of an existing aggregaten or VLAN Group ID Type Member Port The Link Aggregation Modify Page includes the following fields wm Select Aggregation to Modify Selects the Link Aggregation Group ID to modify m Select ports to add to aggregation or De select ports to remove from aggregation Allows the network manager to select ports to be added or removed from a current aggregation The ports are color coded as follows Selected ports Blue Displays a member of the modified aggregation 111 Deselected ports a White Not a member of any aggregation a Grey Displays a member of an existing aggregation or VLAN Summary m Group ID Displays the Link Aggregated Group ID The field range is 1 8 a Type Displays the link aggregation type The possible field values are Static or LACP a Member Ports Displays the ports configured to the link aggregation 2 Define the fields 3 Click Apply The link aggregation modified and the application is updated 112 CHAPTER 7 AGGREGATING PORTS Removing
6. lle core The Restore Image Page contains the following fields a Download via TFTP Enables initiating a download via TFTP a Download via HTTP Enables initiating a download via HTTP or HTTPS Software Download m TFTP Server IP Address Specifies the TFTP Server IP Address from which the image files are downloaded m Source File Name Specifies the image files to be downloaded 2 Define the relevant fields 3 Click Apply The files are downloaded and the device is updated Activating Image Files 189 The Active Image Page allows network managers to select and reset the Image files To upload System files Click Administration Firmware Upgrade Active Image The Active Image Page opens Figure 95 Active Image Page C Baseline Switch 2924 PWR Plus 3C om Administration gt Firmware Upgrade Active image Desce Actie Image Afer Reset Cunen image 2 App Csecel j The Active Image Page contains the following fields m Active Image After Reset Selects the image file which is active on the unit after the device is reset The possible field values are a Current Image Activates the current image after the device is reset Backup Image Activates backup image after the device is reset 2 Select the active image to be activated after reset 3 Click Apply The active image file is defined and the device is updated 15 MANAGING POWER OVER ETHERNET
7. C SLE ELEM vuan s gt Apply Cancel The ARP Settings Setup Page contains the following fields a VLAN Selects the VLAN for which ARP parameters are defined m IP Address Defines the station IP address which is associated with the MAC address MAC Address Defines the station MAC address which is associated in the ARP table with the IP address ARP Entry Age Out Specifies the amount of time in seconds that passes between ARP Table entry requests Following the ARP Entry Age period the entry is deleted from the table The range is 1 40000000 The default value is 300 seconds 2 Define the fields 3 Click Apply The ARP parameters are defined and the device is updated 130 CHAPTER 9 CONFIGURING IP AND MAC ADDRESS INFORMATION Removing ARP The ARP Settings Remove Page provides parameters for removing ARP Entries entries from the ARP Table gt The monitor user has no access to this page To remove ARP entries 1 Click Administration gt ARP Settings gt Remove The ARP Settings Remove Page opens Figure 62 ARP Settings Remove Page x Baseline Switch 2924 PWR Plus J Administration gt ARP Setting Remove SCOM ercCHRECTEND oo m mesmo sw aee tt tne FE Admenestrapon Device T wtertace IP Address MAC Address Status Port r want 1063926 0011 1165 3a te Deam Security Moanonng Hep Recos Cancel j The ARP Settings Remove Page c
8. Indicates the device is not delivering power Mode Indicates the port power mode The possible field values are a Auto Power is automatically allocated to the port according to port number Lower numbered ports are assigned a higher priority for power delivery This is the default Guarantee Power is guaranteed to the selected port provided that the power is available This setting overrides the priority assigned to lower port numbers by the auto mode Power Max watts Indicates the maximum amount of power available to the interface The field value is displayed in Watts Power Used watts Indicates the actual amount of power currently used by the interface The field value is displayed in Watts 193 Defining PoE Settings The Port PoE Setup Page allows users to configure ports for PoE To configure Port PoE Settings 1 Click Port PoE Setup The Port PoE Setup Page opens Figure 97 Port PoE Setup Page Baseline Switch 2924 PWR Plus Port POE Setup SIE Select Pons SAA AEC MC ats Es Es aO D CJ CO ER CJ I POE State Enabed Drsabied L D D LI PoE Mode for selected amp enabled pots Power r3 priorfied to lower numbered Auto ports fnt Garante Power Summary PoE Av i W cum Le Selected Ports ik The Port PoE Setup Page contains the following fields m Select Ports Selects the ports to be configured m PoE State Defines the port Po
9. The year in which DST ends The field range is 2000 2037 a Recurring Enables user defined DST for countries in which DST is constant from year to year other than the USA and Europe a From Configures the recurring time and date on which DST begins every year The fields to set are Day Selects the weekday on which DST begins every year Week Selects the week of the month from which DST begins every year Month Selects the month of the year in which DST begins every year Time The time of day at which DST begins every year The field format is HH MM where HH is the 2 digit hour and MM is the 2 digit minute m To Configures the recurring time and date on which DST ends every year The fields to set are Day Selects the weekday on which DST ends every year Week Selects the week of the month at which DST ends every year Month Selects the month of the year in which DST ends every year Time The time of day at which DST ends every year The field format is HH MM where HH is the 2 digit hour and MM is the 2 digit minute 2 Define the Local Settings time and date fields 3 To configure the device to automatically switch to DST select Daylight Saving and select USA European or Other If you select Other a To configure DST parameters that recur every year select Recurring b Define the From and 7o fields 4 Click Apply The time date and DST settings are saved and the de
10. To test cables Click Monitoring Cable Diagnostics Diagnostics The Diagnostics Page opens Figure 104 Diagnostics Page McA Baseline Switch 2924 PWR Plus Monitoring gt Cable Diagnostics Diagnostics SCOM SETTER cene 1 Device Summary Save Configuration Admivstraton The Diagnostics Page contains the following fields m Select a Port Selects the port to be tested m Test Result Displays the cable test results Possible values are a No Cable Indicates that a cable is not connected to the port or the cable is connected on only one side or the cable is shorter than 1 meter a Short Cable Indicates that a short has occurred in the cable a OK Indicates that the cable passed the test m Cable Fault Distance Indicates the distance in meters from the port where the cable error occurred A Cable Fault Distance of OM can result from a short 1 meter cable an open cable or a 2 pair copper cable m Last Update Indicates the last time the port was tested 2 Select a port to be tested 3 Click Apply The ports are tested and the page is updated 3CoM NETWORK MANAGEMENT 3Com has a range of network management applications to address networks of all sizes and complexity from small and medium businesses through large enterprises The applications include m 3Com Network Supervisor m 3Com Network Director m 3Com Network Access Manager m 3Com Ent
11. UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are provided in 3Coms5 standard commercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com and the 3Com logo are registered trademarks of 3Com Corporation Intel and Pentium are registered trademarks of Intel Corporation Microsoft MS DOS Windows and Windows NT are registered trademarks of Microsoft Corporation Novell and NetWare are registered trademarks of Novell Inc UNIX is a registered trademark in the United States and other countries licensed exclusively through X Open Company Ltd IEEE and 802 ar
12. according to a wildcard mask The field value is either user defined or Any If Any is selected accepts any destination IP address and disables wildcard mask filtering a Wild Card Mask Indicates the destination IP Address wildcard mask Wildcards are used to mask all or part of a destination IP Address Wildcard masks specify which bits are used and which bits are ignored A wildcard mask of 255 255 255 255 indicates that no bit is important A wildcard mask of 0 0 0 0 indicates that all bits are important For example if the destination IP address 149 36 184 198 and the wildcard mask is 0 0 0 255 the first three bytes of the IP address are matched while the last eight bits are ignored For the destination IP address 149 36 184 198 this 76 CHAPTER 4 MANAGING DEVICE SECURITY A W N wildcard mask matches all IP addresses in the range 149 36 184 0 to 149 36 184 255 A wildcard mask must not contain leading zeroes For example a wildcard mask of 010 010 011 010 is invalid but a wildcard mask of 10 10 11 10 is valid Match DSCP Matches the packet DSCP value to the ACL Either the DSCP value or the IP Precedence value is used to match packets to ACLs Match IP Precedence Matches the packet IP Precedence value to the rule Either the DSCP value or the IP Precedence value is used to match packets to ACLs Action Defines the ACL forwarding action In addition the port can be shut down a trap can be sent to the ne
13. amp amp ira ianceneTypes wollTeamaceneiT pesd vt name Porinte TTP HTTPS E DIAGNOSTICS ERROR in lt Ri napon mystax error in calculating expression Filter PND Bert edule umber 1 amp amp lent TransconerType 2 Il vM Tramscenm Typesd 4 namePortints P HITPS E DIAGNOSTICS ERROR in lt RL_WRepeat gt syntax error in calculating expression Fiter PP NDP ont Module lumber 1 AR swffTranscenerTypes2 peifTransceneTypess st name Porinto P_HTTPS E DIAGHOSTICS ERROR in RL MRepeat wystax eror in calculating expresion ePnOF ot wltoduiet lumbers 1 amp amp rol ison Mon 2 swfraescenerTypa4 t name Porinto ITTP MTTPS E GETDATEFROMSYS WARMING The modided since date can not be taken from the system so 4 will be set to 101970 P HTTPS E SETTAGDOESHTEXIST PGPRCS Trying to eet tag submaButton y which dows not m st in the page P MTTPS E SETTAGOOESNTEXIST PGPRCS Trying to set tag sebmafutten x which does not eost in the page P MTTPS E SETTAGDOESNTEXIST PGPRCS Trying to sat tag submaBetten y which dows not most in tha page P_HITPS E SETTAGOOESNTENST POPRCS Trying to e t tag submatetten x which dows not exat in the page ITTP_HTTPS E GETDATEFROMSYS WARNING The mod amp ed since date can not be taken from the system so it will be set to 1 1 1970 TTP MTTPS E SETTAGOOESNTEXST PGPRCS Trying to set tag submeBetten y which does not most in the page PES
14. m Baseline Switch 2924 PWR Plus acom Device gt QoS gt Bandwidth Setup SLE EM Denice Sommar dene Contgueasen Ingress Rate Limit Enable ingress Rate Lima r Adminssion gt gress Rate Lime Deco gt Egros Shaping Rate Pot Enable Egress Shaping Rate 7 secui b Committed information Rate CR Ben Per Second horstonrg Committed Burst Size Ce Bytes Per Second Select ports I EC CNN The Bandwidth Setup Page contains the following fields Ingress Rate Limit a Enable Ingress Rate Limit Enables setting an Ingress Rate Limit wm Ingress Rate Limit Defines the ingress traffic limit for the port The field range is 3 500 1 000 000 kbits per second 173 Egress Shaping Rate m Enable Egress Shaping Rate Enables setting Egress Shaping Rates m Committed Information Rate CIR Defines the CIR for the interface The field range is 64 1 000 000 000 kbits per second m Committed Burst Size CbS Defines the CbS for the interface The field range is 4096 16 769 020 bytes per second m Select ports Selects the ports to be configured 2 Select the ports to be configured 3 Define the fields 4 Click Apply The bandwidth is defined for the selected ports and the device is updated 174 CHAPTER 13 CONFIGURING QUALITY OF SERVICE Defining Voice VLAN Voice VLAN allows network administrators to enhance VoIP service by configuring ports to carry IP voice
15. z icue type Any Lom o The P Based ACL Modify Page contains the following fields m Select ACL Selects the ACL to be modified m Select Rule Displays a table of rules and their settings associated with the selected ACL Highlighting a rule allows the user to modify its settings in the Modify Rule section below Modify Rule m Priority Defines the ACL priority ACLs are checked on the first fit basis The ACL priority defines the ACL order in the ACL list m Protocol Defines the protocol in the rule to which the packet is matched The possible fields are 78 CHAPTER 4 MANAGING DEVICE SECURITY Select from List Selects a protocol from a list by which packets are matched to the rule Protocol ID Adds user defined protocols by which packets are matched to the rule Each protocol has a specific protocol number which is unique The possible field range is 0 255 Source Port Enables creating an ACL based on a specific protocol Any Enables creating an ACL based on any protocol Destination Port Defines the destination port that is matched to packets Enabled only when TCP or UDP are selected in the Protocol list Any Enables creating an ACL Based on any protocol TCP Flags If checked enables configuration of TCP flags matched to the packet The possible fields are Urg Urgent pointer field significant The urgent pointer points to the sequence number of the o
16. 12 13 CONFIGURING IP AND MAC ADDRESS INFORMATION Defining IP Addressing erreian ipe a reaa anaha a aR iaa 126 Configuring ARP Settings sssssssssssseeeeeneeeeeens 127 Viewing ARP Settings xen to nieto ree ete elt Cet De a Pee aa 128 Defining ARP Settings iuis ehe teen 129 Removing ARP ENTES cesse ote e e ei E d t rng 130 Configuring Address Tables ssssssssssssseens 132 Viewing Address Table Settings ssssssssssssm 133 Viewing Port Summary Settings sss 134 Adding MAC Addresses to the Address Table sssssssss 136 Defining Aging Time 5 eerte Ede det enhn 138 Removing Address Table Ports ssssssssssssssssee 139 Removing MAC Addresses from the Address Table sssse 141 CONFIGURING IGMP SNOOPING Defining IGMP SNOOPING ss eeeeeceeeeeseeeeeeeeeeeeeeeeneeeeeeeteeeteeeteeeneees 144 CONFIGURING SPANNING TREE Viewing Spanning Tree bengo agiti oyida a e a enne nnn 147 Defining Spanning Tree eie ep ete be oci 150 Modifying Spanning Tree sssssssssssseeeene 153 CoNFIGURING SNMP Defining SNMP Communities sssssssssseee 156 Removing SNMP Communities ssssssss 158 Defining SNMP TAPS der ERE eine aun eure 159 Removing SNMP Traps aen se tme eter rere ap E Rep 160 CONFIGURING QUALITY OF SERVICE VIEWING OS Settlrigs isset eite term rere t qe tag 163 Defining COS once an ette e deo ath eee ntm 164 Vi
17. Defining Access Control Lists 83 Viewing ACL Binding The ACL Binding Summary Page displays the user defined ACLs mapped to the interfaces To view ACL Binding 1 Click Device gt ACL gt ACL Binding gt Summary The ACL Binding Summary Page opens Figure 35 ACL Binding Summary Page t Baseline Switch 2924 PWR Plus Device gt ACL gt ACL Binding Summary 3com sama Device Summary Save Configarabon The ACL Binding Summary Page contains the following fields a Interface Displays the port or LAG number to which the ACL is bound m ACL Name Displays the name of the ACL which is bound to a selected port 84 CHAPTER 4 MANAGING DEVICE SECURITY Configuring ACL Binding gt 1 The ACL Binding Setup Page allows the network administrator to bind specific ports to MAC or IP based ACLs The monitor user has no access to this page To define ACL Binding Click Device gt ACL gt ACL Binding gt Setup The ACL Binding Setup Page opens Figure 36 ACL Binding Setup Page gt gt Baseline Switch 2924 PWR Plus F V Device ACL gt ACL Binding Setup J 1 x MWA Tie yi t 1 rs 3com The ACL Binding Setup Page contains the following fields m Select Port s Selects the ports to be configured mw Bind ACL Assigns an Access Control List to a port or LAG a MAC based ACL Displays the MAC based ACL to which the interface is assigned a P bas
18. For detailed information on configuring ports please refer to Configuring Ports Configuration Management buttons and icons provide an easy method of configuring device information and include the following Table 7 3Com Web Interface Configuration Buttons Button Button Name Description Clear Logs Clear Logs Clears system logs Creates configuration Create Create entries Applies configuration Apply Apply changes to the device Deletes configuration set Remove Delete tings Table 8 3Com Web Interface Information Tabs Tab Tab Name Description Help Help Opens the online help Ej Logs the user out and Logout Logout terminates the current session 36 CHAPTER 2 USING THE 3COM WEB INTERFACE Using Screen and The 3Com Web interface contains screens and tables for configuring Table Options devices This section contains the following topics m Viewing Configuration Information wm Adding Configuration Information a Modifying Configuration Information m Removing Configuration Information Viewing Configuration Information To view configuration information 1 Click Port gt Administration gt Summary The Port Settings Summary Page opens Figure 10 Port Settings Summary Page t Q Baseline Switch 2924 PWR Plus 3com Port Administration Summary Summary i Using Screen and Table Options 37 Adding Configuration In
19. Provides information for managing device diagnostics Intended Audience 5 Intended Audience p This guide is intended for network administrators familiar with IT concepts and terminology If release notes are shipped with your product and the information there differs from the information in this guide follow the instructions in the release notes Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format PDF or HTML on the 3Com Web site m http www 3Com com Conventions Table 1 lists conventions that are used throughout this guide Table 1 Notice Icons Icon Notice Type Description b Information nformation that describes important features or 1 note instructions Caution nformation that alerts you to potential loss of data AN or potential damage to an application system or device Warning nformation that alerts you to potential personal N T Related In addition to this guide other documentation available for the 3Com amp Documentation Baseline Switch 2924 PWR Plus include the following m Safety and Support Information Provides installation set up and regulatory compliance information CONTENTS ABOUT THIS GUIDE User Guide OVERVIEW x x rete teet e Bote Se Seele tec betel 3 Intended AUdlelce sore oen eee EU esI 5 GOBVGhtlOPis coser tee rit epe ete e e e e vete ted 5 Related DOCUMENtatiON 5 2 2 feet ot estere et ome P rede teet oon 5 GETT
20. The section includes the following topics m Configuring System Name wm Configuring System Time 92 CHAPTER 5 MANAGING SYSTEM INFORMATION Configuring System Name gt 2 3 The System Name Page allows the Network Administrator to provide a user defined system name location and contact information for the device Monitor users have read only permissions on this page To configure the System Name Click Administration gt System Name gt System Name The System Name Page opens Figure 40 System Name Page RX Baseline Switch 2924 PWR Plus T Administration gt System Name System Name 3c om System Nan e Device Summary Save Contgurason Adrrires traten Duce a Secun aoro Meo LII ce The System Name Page includes the following fields m System Name Defines the user defined device name The field length is 0 100 characters m System Location Defines the location where the system is currently running The field length is 0 100 characters m System Contact Defines the name of the contact person The field length is 0 100 characters Define the fields Click Apply The System Name is enabled and the device is updated 93 Configuring System The System Time Setup Page contains fields for defining system time Time parameters for the local hardware clock Daylight Savings Time can be enabled on the device P Monitor users have limited permissions on this page To co
21. and are applied to newly defined RADIUS servers If new default parameters are not defined the system default values are applied to newly defined RADIUS servers Monitor users have no access to this page To configure the RADIUS client Click Security RADIUS Client Setup The Radius Client Setup Page opens Figure 24 Radius Client Setup Page Ge Q Baseline Switch 2924 PWR Plus Security gt Radius Client Setup 3C om Setup Y i Device Summary Save Configuration Apply Cancel J The Radius Client Setup Page contains the following fields wm Primary Server Defines the RADIUS Primary Server authentication fields m Backup Server Defines the RADIUS Backup Server authentication fields m Host IP Address Defines the RADIUS Server IP address 56 CHAPTER 4 MANAGING DEVICE SECURITY Authentication Port Defines the authentication port The authentication port is used to verify the RADIUS server authentication The authentication port default is 7872 Number of Retries Defines the number of transmitted requests sent to the RADIUS server before a failure occurs Possible field values are 1 10 The default value is 3 Timeout for Reply Defines the amount of time in seconds the device waits for an answer from the RADIUS server before retrying the query or switching to the next server Possible field values are 1 30 The default value is 3 Dead Time Defines the
22. opens Figure 65 Address Table Add Page S Baseline Switch 2924 PWR Plus Monitoring gt Address Table Add 3com OO a Denice Summary Fs reda VAN IO sg MAC Address For example 00 10 de 28 a4 49 Ho Agng The Address Table Add Page contains the following fields VLAN ID Selects a VLAN ID MAC Address Defines a MAC address to be assigned to the specific port and VLAN ID No Aging Marks the aging status of the MAC address assigned by the user The possible values are a Checked Indicates that the Address Table entry assigned by the user is not aged out a Unchecked Indicates that the Address Table entry assigned by the user is aged out Select a Port Selects the port for which the MAC address settings are defined Configuring Address Tables 137 a MAC Address Displays the current MAC addresses listed in the MAC address table a VLAN ID Displays the VLAN ID associated with the port and MAC address m State Displays the current MAC address configuration method Possible values are a Config Static Indicates the MAC address is statically configured m Port Index Indicates the port through which the address was learned a Aging Time Indicates the amount of time the MAC address remains in the Dynamic Address table before it is timed out if no traffic from the source is detected The default value is 300 seconds 2 Define the fi
23. powered devices The possible field values are Enabled or Disabled Mode Indicates the port power mode The possible field values are Auto or Guarantee Power Max watts Indicates the maximum amount of power available to the interface The field value is displayed in Watts Power Used watts Indicates the actual amount of power currently used by the interface The field value is displayed in Watts 2 Define the fields 3 Click Apply The settings are applied to the selected ports and the device is updated 16 MANAGING SYSTEM LOGS This section provides information for managing system logs The system logs enable viewing device events in real time and recording the events for later usage System Logs record and manage events and report errors and informational messages Event messages have a unique format as per the Syslog protocols recommended message format for all error reporting For example Syslog and local device reporting messages are assigned a severity code and include a message mnemonic which identifies the source application generating the message It allows messages to be filtered based on their urgency or relevancy Each message severity determines the set of event logging devices that are sent per each event message The following table lists the log severity levels System Log Severity Levels Severity Level Message Emergency Highest The system is not fu
24. username Old password Enter new password Retype password The command line interface password has been successfully changed Select menu option Access Control List ACL Address Resolution Protocol ARP Boot Protocol BOOTP Class of Service CoS Differentiated Services Code Point Service DSCP Domain Name Service DNS Dynamic Host Control Protocol DHCP GLOSSARY ACLs can limit network traffic and restrict access to certain users or devices by checking each packet for certain IP or MAC i e Layer 2 information ARP converts between IP addresses and MAC i e hardware addresses ARP is used to locate the MAC address corresponding to a given IP address This allows the switch to use IP addresses for routing decisions and the corresponding MAC addresses to forward packets from one hop to the next BOOTP is used to provide bootup information for network devices including IP address information the address of the TFTP server that contains the devices system files and the name of the boot file CoS is supported by prioritizing packets based on the required level of service and then placing them in the appropriate output queue Data is transmitted from the queues using weighted round robin service to enforce priority service and prevent blockage of lower level queues Priority may be set according to the port default the packet s priority bit in the VLAN tag TCP UDP port number IP
25. 01001 then dialing 800 763 6780 Sri Lanka Call the U S direct by dialing 02 430 430 then dialing 800 763 6780 Vietnam Call the U S direct by dialing 1 201 0288 then dialing 800 763 6780 You can also obtain non urgent support in this region at this email address apr_technical_support 3com com Or request a return material authorization number RMA by FAX using this number 61 2 9937 5048 or send an email at this email address ap_rma_request 3com com Europe Middle East and Africa Telephone Technical Support and Repair From anywhere in these regions not listed below call 44 1442 435529 From the following countries call the appropriate number Austria 0800 297 468 Luxembourg 800 23625 Belgium 0800 71429 Netherlands 0800 0227788 Denmark 800 17309 Norway 800 11376 Finland 0800 113153 Poland 00800 4411 357 France 0800 917959 Portugal 800 831416 Germany 0800 182 1502 South Africa 0800 995 014 Hungary 06800 12813 Spain 900 938 919 Ireland 1 800 553 117 Sweden 020 795 482 Israel 180 945 3794 Switzerland 0800 553 072 Italy 800 879489 U K 0800 096 3266 Country Telephone Number Country ContactUs 247 Telephone Number You can also obtain support in this region using this URL http emea 3com com support email html You can also obtain non urgent support in this region at these email addresses Technical support and general requests customer support83com com Return material authorization warranty repair amp 3co
26. 0F E2 00 00 00 H3C Aolynk Security 00 60 59 00 00 00 Philips and NEC AG phone Monitoring Ie 00 D0 1E 00 00 00 Pingtel phone Help 00 E0 75 00 00 00 Polycom Veritel phone 00 E0 BB 00 00 00 3Com phone ElLogout Hre The Voice VLAN OUI Summary Page contains the following fields OUI List a Telephony OUl s Lists the OUIs currently enabled on the Voice VLAN The following OUls are enabled by default OO EO BB Assigned to 3Com IP Phones 00 03 6B Assigned to Cisco IP Phones 00 E0 75 Assigned to Polycom Veritel IP Phones a 00 D0 1E Assigned to Pingtel IP Phones 00 01 E3 Assigned to Siemens IP Phones 00 60 B9 Assigned to NEC Philips IP Phones 00 0F E2 Assigned to H3C IP Phones m Description Displays the OUI description up to 32 characters 182 CHAPTER 13 CONFIGURING QUALITY OF SERVICE Modifying OUI Definitions The Voice VLAN OUI Modify Page allows network administrators to add new OUls or to remove previously defined OUIs from the Voice VLAN The OUI is the first half three most significant bytes of the MAC address and is manufacturer specific while the last three bytes contain a unique station ID The packet priority derives from the source destination MAC prefix The packet gets higher priority when there is a match with the OUI list Using the OUI network managers can add a specific manufacturer s MAC addresses to the OUI table Once the OUls are added
27. 3Com Baseline Switch 2924 PWR Plus has been designed to the following standards Function Safety EMC Emissions EMC Immunity 8802 3 IEEE 802 3 Ethernet IEEE 802 3u Fast Ethernet IEEE 802 3ab Gigabit Ethernet IEEE 802 1D Bridging UL 60950 1 EN 60950 1 CSA 22 2 No 60950 1 IEC 60950 1 EN55022 Class A CISPR 22 Class A FCC Part 15 Subpart B Class A ICES 003 Class A VCCI Class A EN61000 3 2 EN61000 3 3 EN55024 Environmental Operating Temperature 0 to 40 C 32 to 104 F Storage Temperature 40 to 70 C 40 to 158 F Humidity 0 95 non condensing Standard EN 60068 IEC 68 Physical l Width 440 mm 17 3 in Depth 265 mm 10 43 in Height 44 mm 1 73 in or 1U Weight 3 3 kg 7 92 Ib Mounting Free standing or 19 in rack mounted using the supplied mounting kit 216 APPENDIX B DEVICE SPECIFICATIONS AND FEATURES Electrical Line Frequency 50 60 Hz Input Voltage 100 240 Vac auto range Current Rating 5 1 Amp Max Maximum Power 350 Watts Consumption Max Heat Dissipation 1194 6 BTU hr Switch Features This section describes the device features The system supports the following features Table 9 Features of the Baseline Switch 2924 PWR Plus Feature Description Auto Negotiation The purpose of auto negotiation is to allow a device to advertise modes of operation The auto negotiation function provides the means to exchange information between two devices t
28. Control Specifies the flow control status on the port Operates when the port is in full duplex mode The possible field values are a Enable Enables flow control on the port a Disable Disables flow control on the port a No Change Retains the current flow control status on port m Reactivate Reactivates a port if the port has been shutdown through a device security option The possible field values are Reactivate Reactivates a port a No Change Retains the current port status m Select Ports Selects the ports to be configured 2 Define the fields 3 Click Apply The ports are configured and the device is updated 104 CHAPTER 6 CONFIGURING PORTS Viewing Port Details gt The Port Detail Page displays the current port parameters for specific ports Monitor users have no access to this page To view Port Details Click Port gt Administration gt Detail The Port Detail Page opens Figure 46 Port Detail Page C2 Baseline Switch 2924 PWR Plus 3 C om Port Administration Detail e Device Summary Save Configuration Select a pot pn inaeaanaaoonnoo mn Penn Eaa pups SS Monitoring t Help Valuas in brackets indicate the cumant operating valas for the chosen pott The Port Detail Page contains the following fields m Select a port Selects a port to display its current settings m Port State Indicates the port state The possible field values a
29. Link Aggregation b 1 2 3 The Link Aggregation Remove Page allows the network manager to remove group IDs containing member ports Monitor users have no access to this page To remove Link Aggregation Click Port Link Aggregation Remove The Link Aggregation Remove Page opens Figure 50 Link Aggregation Remove Page Baseline Switch 2924 PWR Plus 3 C om Port Link Aggregation Remove ect o Device Summary C tin Select Aggregation s to Remove ex Group ID Type Men Stn Aamirestroton gt emoe conci The Link Aggregation Remove Page includes the following fields m Select Aggregation s to Remove Displays the Link Aggregation table Allows selecting LAG IDs to be removed Each row corresponds to a Link Aggregated Group ID The fields in the table are a Group ID Displays the Link Aggregated Group ID The field range is 1 8 a Type Displays the Link Aggregation type The possible field values are Static or LACP a Member Ports Displays the ports for which the link aggregation parameters are defined Select the group IDs to be removed Click Remove The link aggregations are removed and the device is updated 113 Viewing LACP LAG ports can contain different media types if the ports are operating at the same speed Aggregated links can be set up manually or automatically established by enabling LACP on the relevant links Aggregate ports can be linked into
30. MAC ADDRESS INFORMATION Viewing ARP Settings The ARP Settings Summary Page displays the current ARP settings To view ARP Settings 1 Click Administration ARP Settings Summary The ARP Settings Summary Page opens Figure 60 ARP Settings Summary Page C Baseline Switch 2924 PWR Plus 3C om Administration gt ARP Setting Summary Device Summary Save Configuration Summary Administration gt Port Security MAoritonng Mep The ARP Settings Summary Page contains the following fields a Interface Indicates the VLAN for which ARP parameters are defined m IP Address Indicates the station IP address which is associated with the MAC Address a MAC Address Displays the station MAC address which is associated in the ARP table with the IP address m Status Displays the ARP table entry type Possible field values are a Dynamic Indicates the ARP entry is learned dynamically a Static Indicates the ARP entry is a static entry Defining ARP Settings P Configuring ARP Settings 129 The ARP Settings Setup Page allows network managers to define ARP parameters for specific interfaces The monitor users have no access to this page To configure ARP entries Click Administration ARP Settings Setup The ARP Settings Setup Page opens Figure 61 ARP Settings Setup Page x Baseline Switch 2924 PWR Plus 3 om V Administration gt ARP Setting Setup
31. Management m Methods of Managing a Switch m Switch Setup Overview m Using the Command Line Interface CLI m Setting Up Web Interface Management m Setting Up SNMP Management V1 or V2 m Default Users and Passwords m Upgrading Software using the CLI 14 CHAPTER 1 GETTING STARTED About the Switch 2924 PWR Summary of Hardware Features The Switch 2924 PWR is a Gigabit Ethernet switching products that delivers flexible three speed performance 10 100 1000 Power over Ethernet PoE and advanced voice optimized features such as auto QoS and auto voice VLAN This makes the switch ideal for medium businesses and small enterprises seeking to build a secure converged network The Switch 2924 PWR includes the following model m Baseline Switch 2924 PWR Plus 24 Port The Switch 2924 PWR features the following advantages m Full Gigabit speed access ports a Jumbo frames support m Port security m Link aggregation control protocol LACP m Upto 256 VLANs m Access control lists ACLs m Port based mirroring Table 1 summarizes the hardware features supported by the Switch 2924 PWR Table 1 Hardware Features Feature Switch 2924 PWR Addresses Up to 8 000 supported Auto negotiation Supported on all ports Forwarding Modes Store and Forward Duplex Modes Half and full duplex on all front panel ports Auto MDI MDIX Supported on all ports If fiber SFP transceivers are used Auto MDIX is not supported Flow Control In full
32. Mirroring Port mirroring monitors and mirrors network traffic by forwarding copies of incoming and outgoing packets from one port to a monitoring port Port mirroring can be used as a diagnostic tool as well as a debugging feature Port mirroring also enables switch performance monitoring Network administrators can configure port mirroring by selecting a specific port from which to copy all packets and other ports to which the packets copied This section contains the following topics m Defining Port Mirroring m Removing Port Mirroring 206 Defining Port Mirroring gt CHAPTER 18 MANAGING DEVICE DIAGNOSTICS The Port Mirroring Setup Page contains parameters for configuring port mirroring The monitor user has limited access to this page To enable port mirroring Click Monitoring gt Port Mirroring gt Setup The Port Mirroring Setup Page opens Figure 101 Port Mirroring Setup Page Po L gt gt gt CN Baseline Switch 2924 PWR Plus Monitoring Port Mirroring Setup Setup Select pot type F Mine bn G D c Merc BH F Mere Out ee Oe AAA femen ele Not avaliable for selection Mirror in Miror Out omm em The Port Mirroring Setup Page contains the following fields Select port type Defines the port that will be the monitor port destination port and the port that will be mirrored source port The possible values are Monitor Defines the port as the
33. Page opens Figure 93 Restore Page C Baseline Switch 2924 PWR Plus V administration gt Backup amp Restore Restore SCOM aimee Device Summary Save Configuration Download va TFTP C Download via HTTP Configuration Download TFTP Sener P A sress Source Fite Name The Restore Page contains the following fields a Download via TFTP Enables initiating a download from the TFTP server a Download via HTTP Enables initiating a download from the HTTP server or HTTPS server Configuration Download m TFTP Server IP Address Specifies the TFTP Server IP Address from which the configuration files are downloaded m Source File Name Specifies the source file from which the configuration file is downloaded 2 Define the relevant fields 3 Click Apply The restore file is defined and the device is updated 188 CHAPTER 14 MANAGING SYSTEM FILES Restore the Software Image P 1 The Restore Image Page permits network managers to retrieve the device software The monitor user has no access to this page To download the software image Click Administration Firmware Upgrade Restore Image The Restore Image Page opens Figure 94 Restore Image Page B Baseline Switch 2924 PWR Plus Administration gt Firmware Upgrade Restore image _ SCOM oss NL i Save Congar avon Download via TFTP C Download via HTTP xang en P assen Pon S Men Security Monitoring
34. Ports are reactivated from the Port Administration Setup Page To remove MAC based ACLs Select the ACL Name to be deleted 2 Check Remove ACL 3 Click Remove The selected ACL is deleted and the device is updated To remove MAC based ACL rules 1 Select the ACL Name containing the rules to be deleted 2 For each rule to be removed check the box to the left of the row in the rules table To remove all rules the topmost box may be checked 3 Click Remove The selected MAC based ACL rules are deleted and the device is updated Viewing IP Based ACLs Defining Access Control Lists 71 The P Based ACL Summary Page displays information regarding IP based ACLs configured on the device To view IP based ACLs Click Device ACL IP Based ACL Summary The P Based ACL Summary Page opens Figure 31 IP Based ACL Summary Page Baseline Switch 2924 PWR Plus ie Device ACL IP Based ACL Summary Summary 3com Dece Summary Save Configuration Device Pon ne wisi The P Based ACL Summary Page contains the following fields ACL Name Contains a list of the IP Based ACLs m Priority Indicates the rule priority which determines which rule is matched to a packet on a first match basis The possible field values are 1 2147483647 with 1 being the highest priority m Protocol Indicates the protocol in the rule to which the packet is matched m Destination Port Indi
35. Time 0 days 0 hours 0 minutes 48 seconds Software Version 3 01 00556 Boot Version 1 0 0 00 Hardware Version 1 0 0 Poll Now The default polling interval is 60 sec Understanding the 3Com Web Interface The 3Com Web Interface Home Page contains the following views Tab View Provides the device summary configuration located at the top of the home page m Tree View Provides easy navigation through the configurable device features The main branches expand to display the sub features m Port Indicators Located under the Device View at the top of the home page the port indicators provide a visual representation of the ports on the front panel 34 CHAPTER 2 USING THE 3COM WEB INTERFACE Figure 8 Web Interface Components Qe Baseline Switch 2924 PWR Plus 3 C 0 m Device Summary Device View Device Summary Save Configuration Administration gt Device Port id Security Device Summary Information Monitoring gt Product Description 3Com Baseline Switch 2924 PWR Plus Hel System Name System Location System Contact Serial Number YECF5UDA0E380 Product 3C Number 3CBLSG24P WR System Object ID 1 3 6 1 4 1 43 1 8 63 MAC Address 00 12 49 A0 E3 80 System Up Time 0 days 0 hours 0 minutes 48 seconds Software Version 3 01 00s56 Boot Version 1 0 0 00 Hardware Version 1 0 0 Poll Now T
36. VLAN Setup Page opens Figure 87 Voice VLAN Setup Page no Baseline Switch 2924 PWR Plus A S gt VoIP Traffic Setting Setup SE EM Heip Apoy Cac The Voice VLAN Setup Page contains the following fields m Voice VLAN Status Enables or disables Voice VLAN is enabled on the device The possible field values are a Enabled Enables Voice VLAN on the device a Disabled Disables Voice VLAN on the device This is the default value m Voice VLAN ID Defines the Voice VLAN ID number Defining Voice VLAN Port Settings Defining Voice VLAN 177 a Voice VLAN Aging Time Defines the amount of time after the last IP phone s OUI is aged out for a specific port The Voice VLAN aging time starts after the MAC Address is aged out from the Dynamic MAC Address table The port will age out after the bridge and voice aging times The default bridge aging time is 300 seconds The default voice aging time is 7 day The possible fields are Day The field range is 0 30 Hour The field range is 0 23 a Minute The field range is 0 59 The Voice VLAN aging time must be between 5 minutes and 30 days 2 Select Enable in the Voice VLAN State field 3 Define the Voice VLAN and Voice VLAN Aging Time fields Click Apply The Voice VLAN is defined and the device is updated The Voice VLAN Port Setup Page contains information for defining Voice VLAN port LAG settings To configure Voice VLAN p
37. VT100 for Emulation mode Select Terminal keys for Function Arrow and Ctrl keys Ensure that the setting is for Terminal keys not Windows keys The Login process requires a User Name and Password The default user name for first time configuration is admin No password is required User names and passwords are case sensitive To logon to the CLI Interface Press Enter without typing in a username The Login prompt displays Login Enter your User Name at the Login prompt 228 APPENDIX E 3COM CLI REFERENCE GUIDE Automatic Logout Concurrent CLI Sessions 3 Press Enter The Password prompt displays Password The Login information is verified and displays the following CLI menu Select menu option If the password is invalid the following message appears and Login process restarts Incorrect Password The user session is automatically terminated after 30 minutes in which no device configuration activity has occurred The following message is displayed Session closed by automatic logout The command line interface supports one CLI session CLI Commands This Command section contains the following commands m m Ping m Summary m ipSetup m Upgrade wm Initialize m Reboot Logout Password CLI Commands 229 The command displays a list of CLI commands on the device Syntax Default Configuration This command has no default
38. addition the port can be shut down a trap can be sent to the network administrator or packet is assigned rate limiting restrictions for forwarding This section includes the following topics m Viewing MAC Based ACLs a Configuring MAC Based ACLs m Removing MAC Based ACLs m Viewing IP Based ACLs m Defining IP Based ACLs a Modifying IP Based ACLs m Removing IP Based ACLs m Viewing ACL Binding m Configuring ACL Binding m Removing ACL Binding Viewing MAC Based ACLs Defining Access Control Lists 63 The MAC Based ACL Summary Page displays information regarding MAC Based ACLs configured on the device Ports are reactivated from the Port Administration Setup Page To view MAC Based ACLs Click Device ACL MAC Based ACL Summary The MAC Based ACL Summary Page opens Figure 27 MAC Based ACL Summary Page Baseline Switch 2924 PWR Plus Device gt ACL gt MAC Based ACL Summary SCOM Sn cmm Device Summary Save Configuration z ACL Name ACL 1 Admetraton Dessen Decree iene withers dosing dies XN T nocte Deos 1 0022 113300 0000000000 f 002622 113100 00000000009 Device wma Port Secunty G Monitore Hep The MAC Based ACL Summary Page contains the following fields a ACL Name Contains a list of the MAC based ACLs m Priority Indicates the rule priority which determines which rule is matched to a packet on a first match basis wm Source Address I
39. and are preserved across resets and reboots TCP Transport Control Protocol TCP TCP connections are defined between 2 ports by an initial synchronization exchange TCP ports are identified by an IP address and a 16 bit port number Octets streams are divided into TCP packets each carrying a sequence number TFTP Trivial File Transfer Protocol The device supports boot image software and configuration upload download via TFTP Virtual Cable Testing VCT detects and reports copper link cabling occurrences such as open cables and cable shorts 220 APPENDIX B DEVICE SPECIFICATIONS AND FEATURES Table 9 Features of the Baseline Switch 2924 PWR Plus continued Feature Description VLAN Support VLANs are collections of switching ports that comprise a single broadcast domain Packets are classified as belonging to a VLAN based on either the VLAN tag or based on a combination of the ingress port and packet contents Packets sharing common attributes can be grouped in the same VLAN Web based Management With web based management the system can be managed from any web browser The system contains a Web Server which serves HTML pages through which the system can be monitored and configured The system internally converts web based input into configuration commands MIB variable settings and other management related settings PIN OUTS Null Modem Cable RJ 45 to RS 232 25 pin
40. characters m Confirm Password Verifies the password 2 Define the fields 3 Click Apply The user is created and the device is updated Modifying System Access P Configuring System Access 53 The System Access Modify Page allows network administrators to modify users passwords and access levels for users using the System Access Interface Monitor users have no access to this page To modify System Access Click Administration System Access Modify The System Access Modify Page opens Figure 22 System Access Modify Page Pod Baseline Switch 2924 PWR Plus 3C om V Administration gt System Access Modify SETCTCERGENCONNN o Device Summary Seve Configuration Users Summary User Namo Access Level admin E Lom Canad The System Access Modify Page contains the following fields m User Name Displays the user name m Access Level Specifies the user access level The lowest user access level is Monitoring and the highest is Management a Management Provides users with read and write access rights a Monitor Provides users with read access rights m Password Modify Enables modifying a password for an existing user m Password Defines the local user password Local user passwords can contain up to 10 characters m Confirm Password Verifies the password 2 Select a User Name whose settings are to be modified 3 Modify the fields 4 Click Apply The user settin
41. duplex operation all ports are supported The Switch 2924 PWR ports are capable of receiving but not sending pause frames Traffic Prioritization Supported using the IEEE Std 802 ID 1998 Edition Four traffic queues per port Front Panel Detail 15 Table 1 Hardware Features continued Feature Switch 2924 PWR Ethernet Fast Ethernet Auto negotiating 10 100 1000BASE T ports and Gigabit Ethernet Ports SFP Ethernet Ports Supports fiber Gigabit Ethernet long wave LX and fiber Gigabit Ethernet short wave SX transceivers in any combination Mounting 19 inch rack or standalone mounting Front Panel Detail Figure 1 shows the front panel of the Switch 2924 PWR Plus 24 Port unit Figure 1 Switch 2924 PWR Plus 24 Port front panel Baseline Switch 2824 SFP Plus SF Module Active r Port Status 3CBLSG24 nw OOOOOOOOOR E2900 e0QOpDQE Console 38400 8 1 N hy 06000089980 H wG GG GOOG G88 O 9 Linky Activity jus 1000 Yellow 0 100M Flash Activihower jplex On Fall Off Half 16 CHAPTER 1 GETTING STARTED LED Status Indicators The 2924 PWR SFP Plus 24 Port Ethernet switch provides LED indicators on the front panel for your convenience to monitor the switch Table 2 describes the meanings of the LEDs Table 2 Description on the LEDs of the Switch 2924 PWR LED Label Status Description Power Power Green The switch sta
42. for the Switch The factory default is be username admin with no Password a Monitor access level Provides the user with read only access 32 CHAPTER 2 USING THE 3COM WEB INTERFACE Accessing the 3Com Web Interface This section contains information on starting the 3Com Web interface To access the 3Com user interface Open an Internet browser Enter the device IP address in the address bar and press Enter The Enter Network Password Page opens Figure 6 Enter Network Password Page Qo N Baseline Switch 2924 PWR Plus 1 3com Baseline Switch 2924 PWR Plus User Name Password Login Enter your user name and password The device default factory settings is configured with a User Name that is admin and a password that is blank Passwords are case sensitive 4 Click Login The 3Com Web Interface Home Page opens Understanding the 3Com Web Interface 33 Figure 7 3Com Web Interface Home Page G7 com Device Summary Save Configuration Baseline Switch 2924 PWR Plus Device Summary 3 Device View 4 Administration gt Device Port Security Monitoring Help Information Product Description 3Com Baseline Switch 2924 PWR Plus Serial Number YECF5UDA0E380 Product 3C Number 3CBLSG24PV R System Object ID 1 3 6 1 4 1 43 1 8 63 MAC Address 00 12 49 40 E3 80 System Up
43. ingress rate limiting status on the interface The possible field values are a Enable Ingress rate limiting is enabled on the interface Disable Ingress rate limiting is disabled on the interface This is the default Rate Limit Indicates the ingress traffic limit for the port The field range is 3 500 1 000 000 kbits per second 171 Egress Shaping Rates m Status Indicates the egress traffic shaping status for the interface The possible field values are a Enable Egress traffic shaping is enabled for the interface a Disable Egress traffic shaping is disabled for the interface This is the default a CIR Indicates the Committed Information Rate CIR for the interface The field range is 64 1 000 000 000 kbits per second a CbS Indicates the Committed Burst Size CbS for the interface The field range is 4096 16 769 020 bytes per second 172 CHAPTER 13 CONFIGURING QUALITY OF SERVICE Defining Bandwidth The Bandwidth Setup Page allows network managers to define the Settings bandwidth settings for a specified interface Interface shaping can be based on an interface Shaping is determined by the lower specified value The interface shaping type is selected in the Bandwidth Setup Page i gt The monitor user has no access to this page To configure Bandwidth Settings 1 Click Device gt QoS gt Bandwidth gt Setup The Bandwidth Setup Page opens Figure 85 Bandwidth Setup Page
44. message appears 3 Click OK The configuration is saved Resetting the Device 41 Resetting the Device The Reset Page enables resetting the device from a remote location To prevent the current configuration from being lost use the Save Configuration Page to save all user defined changes to the flash memory before resetting the device To reset the device Click Administration gt Reset The Reset Page opens Figure 15 Reset Page Baseline Switch 2924 PWR Plus Administration gt Reset Reset gcom edd Device Summary Save Configuration Power Cycie the unt by pressing the Reboot button F Rebost aa MESRM Device L Poet D Return the device to factory defaults by pressing the Tnibalize button Seeunty gt dde C intakze with Coment P Address intialize with Ostavi IP Address nn RN exem 2 Click Reboot A confirmation message is displayed 42 CHAPTER 2 USING THE 3COM WEB INTERFACE 3 Click OK The device is reset and a prompt for a user name and password is displayed Figure 16 User Name and Password Page Baseline Switch 2924 PWR Plus User Name Password Login 4 Enter a user name and password to reconnect to the web interface Restoring Factory Defaults 43 Restoring Factory The Restore option appears on the Reset Page The Restore option Defaults restores device factory defaults To restore the device 1 Click Administration Reset The Reset Page opens Figur
45. monitor port the destination port Mirror Defines the port as the mirrored port source port to be monitored and indicates the traffic direction to be monitored If selected the possible values are Mirror In Enables port mirroring on the port RX Mirror Out Enables port mirroring on the port TX Configuring Port Mirroring 207 m Select port Selects the port for mirroring or monitoring A port unavailable for mirroring is colored grey a Summary Displays the current monitor and mirror ports The fields displayed are Monitor Displays the monitor port Mirror In Displays ports that are monitored on the RX Mirror Out Displays ports that are monitored on the TX 2 Select a port type 3 If the Mirror port type has been selected select Mirror In and or Mirror Out Select the ports to be monitored Click Apply Port mirroring is enabled and the device is updated 208 CHAPTER 18 MANAGING DEVICE DIAGNOSTICS Removing Port Mirroring gt The Port Mirroring Remove Page permits the network manager to terminate port mirroring or monitoring The monitor users have no access to this page To remove port mirroring Click Monitoring gt Port Mirroring gt Remove The Port Mirroring Remove Page opens Figure 102 Port Mirroring Remove Page C2 Baseline Switch 2924 PWR Plus hs Monitoring Port Mirroring Remove 3com m m Device Summary Save Configuration Se
46. operation of MAC bridges including the Spanning Tree Protocol VLAN Tagging Defines Ethernet frame tags which carry VLAN information It allows switches to assign end stations to different virtual LANs and defines a standard way for VLANs to communicate across switched networks An IEEE standard for providing quality of service QoS in Ethernet networks The standard uses packet tags that define up to eight traffic classes and allows switches to transmit packets based on the tagged priority value An IEEE standard for the Multiple Soanning Tree Protocol MSTP which provides independent spanning trees for VLAN groups Port Authentication controls access to the switch ports by requiring users to first enter a user ID and password for authentication Defines frame extensions for VLAN tagging Defines Ethernet frame start stop requests and timers used for flow control on full duplex links Listening to IGMP Query and IGMP Report packets transferred between IP Multicast Routers and IP Multicast host groups to identify IP Multicast group members On each subnetwork one IGMP capable device can act as the querier that is the device that asks all hosts to report on the IP multicast groups they wish to join or to which they already belong The elected querier is the device with the lowest IP address in the subnetwork 240 APPENDIX F GLOSSARY Internet Control Message Protocol ICMP Internet Group Management Protocol IGM
47. the network See page 28 CAUTION To protect your switch from unauthorized access you must change the default password as soon as possible even if you do not intend to actively manage your switch For more information on default users and changing default passwords see Default Users and Passwords on page 29 22 CHAPTER 1 GETTING STARTED IP Configuration The switch s IP configuration is determined automatically using DHCP or manually using values you assign Automatic IP Configuration using DHCP By default the switch tries to configure its IP Information without requesting user intervention It tries to obtain an IP address from a DHCP server on the network Default IP Address f no DHCP server is detected the switch will use its default IP information The default IP address is 169 254 x y where x and y are the last two bytes of its MAC address Note The switch s default IP address is listed on a label located on the rear of the switch If you use automatic IP configuration it is important that the IP address of the switch is static otherwise the DHCP server can change the switch s IP addresses and it will be difficult to manage Most DHCP servers allow static IP addresses to be configured so that you know what IP address will be allocated to the switch Refer to the documentation that accompanies your DHCP server You should use the automatic IP configuration method if m your network uses DHCP to all
48. the assignment of CoS 6 amp 7 to queue 4 in order to maintain the voice quality The CoS to Queue Setup Page contains the following fields m Restore Defaults Restores the device factory defaults for mapping CoS values to a forwarding queue wm Class of Service Specifies the CoS priority tag values where 0 is the lowest and 7 is the highest m Queue Defines the traffic forwarding queue to which the CoS priority is mapped 2 Define the queue number in the Queue field next to the required CoS value 3 Click Apply The CoS value is mapped to a queue and the device is updated 167 Viewing DSCP to The DSCP to Queue Summary Page contains fields for mapping DSCP Queue settings to traffic queues For example a packet with a DSCP tag value of 3 can be assigned to queue 4 To view the DSCP Queue 1 Click Device QoS DSCP to Queue Summary The DSCP to Queue Summary Page opens Figure 81 DSCP to Queue Summary Page m Baseline Switch 2924 PWR PIUS J Ne Device gt QoS gt DSCP to Queue Summary The DSCP to Queue Summary Page contains the following fields m DSCP Displays the incoming packet s DSCP value Queue Indicates the traffic forwarding queue to which the DSCP priority is mapped Four traffic priority queues are supported 168 CHAPTER 13 CONFIGURING QUALITY OF SERVICE Configuring DSCP Queue gt The DSCP to Queue Se
49. 0 1004 1000 half Setting the port speed to Auto and Duplex mode to Full 2 Auto Admin Advertisement 10 100 1000 and Full Setting the port speed to 10 100 1000 and the Duplex mode to Auto Admin Advertisement 10 100 1000 Full Half 100 CHAPTER 6 CONFIGURING PORTS To view Port Settings 1 Click Port Administration Summary The Port Administration Summary Page opens Figure 44 Port Administration Summary Page n x Baseline Switch 2924 PWR Plus M Port gt Administration Summary ScOM eee The Port Administration Summary Page contains the following fields m Port Indicates the selected port number m Port Status Indicates whether the port is currently operational or non operational The possible field values are a Up Indicates the port is currently operating a Down Indicates the port is currently not operating Suspended Indicates the port has been shutdown through a device security option m Port Speed Displays the configured rate for the port The port type determines what speed setting options are available Port speeds can only be configured when auto negotiation is disabled The possible field values are 101 a 710M Indicates the port is currently operating at 10 Mbps a 100M Indicates the port is currently operating at 100 Mbps a 1000M Indicates the port is currently operating at 1000 Mbps Duplex Mode Displays
50. 00 1000 Ports configured as MDI 1 Transmit Data Bidirectional Data A 2 Transmit Data Bidirectional Data A 3 Receive Data Bidirectional Data B 4 Not assigned Bidirectional Data C 5 Not assigned Bidirectional Data C 6 Receive Data Bidirectional Data B 7 Not assigned Bidirectional Data D 8 Not assigned Bidirectional Data D Ethernet Port RJ 45 Pin Assignments Table 11 Pin assignments 1000 223 Pin Number 10 100 Ports configured as MDIX 1 Receive Data 2 Receive Data 3 Transmit Data 4 Not assigned 5 Not assigned 6 Transmit Data 7 Not assigned 8 Not assigned Bidirec Bidirec iona iona Bidirectiona Bidirec iona Bidirectiona Bidirec iona Bidirectiona Bidirec iona Data B Data B Data A Data A Data D Data D Data C Data C TROUBLESHOOTING This section describes problems that may arise when installing the and how to resolve these issue This section includes the following topics a Problem Management Provides information about problem management a Troubleshooting Solutions Provides a list of troubleshooting issues and solutions for using the device Problem Management Problem management includes isolating problems quantifying the problems and then applying the solution When a problem is detected the exact nature of the problem must be determined This includes how the problem is detected and what are the pos
51. 141 The Adaress Table Remove Page allows the network manager to remove current MAC addresses from the Address Table The monitor users have no access to this page To remove MAC addresses from the Address Table Click Monitoring gt Address Table gt Remove The Address Table Remove Page opens Figure 68 Address Table Remove Page x Baseline Switch 2924 PWR Plus 3C om Monitoring Address Table Remove Device Summory Save Configuration MAC Address VLAN ID State Pon Index Aging Time 1 g ic 1 Wer Administration Device Port Security Monitoring Help 7 4 Select At Select Hone Help Back Hot Ramowe Cancel The Adaress Table Remove Page contains the following fields a MAC Address Displays the current MAC addresses listed in the MAC address table a VLAN ID Displays the VLAN ID associated with the port and MAC address m State Displays the MAC address configuration method Possible values are Config Static Indicates the MAC address is statically configured 142 CHAPTER 9 CONFIGURING IP AND MAC ADDRESS INFORMATION m Port Index Indicates the port through which the address was learned a Aging Time Indicates the amount of time the MAC address remains in the Dynamic Address table before it is timed out if no traffic from the source is detected The default value is 300 seconds m Select All Selects all current MAC addresses in the table for removal m Sel
52. AN a Layer 3 router working at a protocol level is required to allow traffic flow between VLANs Layer 3 routers identify segments and coordinate with VLANs VLANs are Broadcast and Multicast domains Broadcast and Multicast traffic is transmitted only in the VLAN in which the traffic is generated VLAN tagging provides a method of transferring VLAN information between VLAN groups VLAN1is the default VLAN and always contains untagged ports All ports are members of VLAN1 by default If the untagged port is moved to a new VLAN the port is removed from VLAN1 For example If an untagged port 24 is moved to VLAN 5 The port will no longer be a member of VLAN1 However if the port is added to VLAN5 as a tagged port it then remains untagged in VLAN1 This section contains the following topics Viewing VLAN Details Viewing VLAN Port Details Creating VLANs Modifying VLAN Settings Modifying Port VLAN Settings Removing VLANs 117 Viewing VLAN Details The VLAN Detail Page provides information and global parameters on VLANs configured on the system To view VLAN details 1 Click Device VLAN VLAN Detail The VLAN Detail Page opens Figure 53 VLAN Detail Page Baseline Switch 2924 PWR Plus Device VLAN VLAN Detail The VLAN Detail Page contains the following information m Select a VLAN to Display Selects a VLAN to be display its settings a Membership type Displays the membership type for each VLAN The
53. BLESHOOTING Problems Possible Cause Solution No connection and the port LED is off Incorrect ethernet cable e g crossed rather than straight cable or vice versa split pair incorrect twisting of pairs Fiber optical cable connection is reversed Bad cable Wrong cable type Check pinout and replace if necessary Change if necessary Check Rx and Tx on fiber optic cable Replace with a tested cable Verify that all 10 Mbps connections use a Cat 5 cable Check the port LED or zoom screen in the NMS application and change setting if necessary Lost Password Contact 3Com 3COM CLI REFERENCE GUIDE This section describes using the Command Line Interface CLI to manage the device The device is managed through the CLI from a direct connection to the device console port Getting Started with the Command Line Interface Console Port Logging on to the CLI 1 ao uk WwW N Using the CLI network managers enter configuration commands and parameters to configure the device Using the CLI is very similar to entering commands on a UNIX system To start using the CLI via a console port Connect the RJ 45 cable to the Console port of the switch to the serial port of the terminal or computer running the terminal emulation application Set the baud rate to 38400 Set the data format to 8 data bits 1 stop bit and no parity Set Flow Control to none Under Properties select
54. CAN 3CO m 3Com Baseline Switch 2924 PWR Plus User Guide 3CBLSG24PWR www 3Com com Part Number 10016095 Rev AA Published June 2007 3Com Corporation 350 Campus Drive Marlborough MA 01752 3064 Copyright 2007 3Com Corporation All rights reserved No part of this documentation may be reproduced in any form or by any means or used to make any derivative work such as translation transformation or adaptation without written permission from 3Com Corporation 3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change 3Com Corporation provides this documentation without warranty term or condition of any kind either implied or expressed including but not limited to the implied warranties terms or conditions of merchantability satisfactory quality and fitness for a particular purpose 3Com may make improvements or changes in the product s and or the program s described in this documentation at any time If there is any software on removable media described in this documentation it is furnished under a license agreement included with the product as a separate document in the hard copy documentation or on the removable media in a directory file named LICENSE TXT or LICENSE TXT If you are unable to locate a copy please contact 3Com and a copy will be provided to you
55. CHAPTER 4 MANAGING DEVICE SECURITY m Source Address Indicates the source IP address m Source Mask Indicates the source IP address mask m Destination Address Indicates the destination IP address m Destination Mask Indicates the destination IP address mask m DSCP Matches the packet DSCP value to the ACL Either the DSCP value or the IP Precedence value is used to match packets to ACLs m IP Prec Indicates matching ip precedence with the packet IP precedence value m Action Indicates the ACL forwarding action In addition the port can be shut down a trap can be sent to the network administrator or packet is assigned rate limiting restrictions for forwarding The options are as follows a Permit Forwards packets which meet the ACL criteria Deny Drops packets which meet the ACL criteria a Shutdown Drops packet that meets the ACL criteria and disables the port to which the packet was addressed Ports are reactivated from the Port Administration Setup Page To remove an IP based ACL 1 Select an ACL Name to be removed 2 Check Remove ACL 3 Click Remove The selected ACL is deleted and the device is updated To remove IP based ACL rules 1 Select an ACL Name 2 For each rule to be removed check the box to the left of the row in the rules table To remove all rules the topmost box may be checked 3 Click Remove The selected ACL rules are deleted and the device is updated
56. Conc trent Ll Sessionis ate rte on pete a 228 CLE Gomnmharids 13 eterne tede ames eed 228 Joe dimos ertet AN ONEN ane etn TE U EIS OL DER nee Sade 229 PIFIGI ge stev tase Ie M Ed em AAT hates I M 230 SUMMAN 32 ete bes ter pepe tope Descartes Ee ten phys tuer s 231 IpSetup 24 xc Weis deni do e perisse see i Sese E aot 232 Upgrade zc te eat tet dte dtes 233 Iritlaliz89 else PA certe s mea choi occurs rte oh como tote EAS o 234 RebOOb essences e edi edes 235 LOQOUE RE 236 PASSWORD Xl tium RUE fos DAD eu AU Ley ath eu pues 237 F GLOSSARY CL 238 G OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS Register Your Product to Gain Service Benefits ssssssssssss 244 Solve Probleme Onnes noaa eoe eee nens 244 Purchase Extended Warranty and Professional Services ssssse 244 Access Software Downloads sssssss ee 245 Contact Us Pt nU Cem TE Leu RN MU ex Seat tuus 245 Telephone Technical Support and Repair ssssssssssssss 245 REGULATORY NOTICES GETTING STARTED This chapter contains introductory information about the 3Com Baseline Switch 2924 PWR Plus hereafter called the Switch and how they can be used in your network It covers summaries of hardware and software features and also the following topics m About the Switch 2924 PWR m Front Panel Detail m LED Status Indicators m System Specifications m Installing the Switch m Setting Up for
57. DEVICES Power over Ethernet PoE provides power to devices over existing LAN cabling without updating or modifying the network infrastructure Power over Ethernet removes the necessity of placing network devices next to power sources Power over Ethernet can be used with m IP Phones m Wireless Access Points m P Gateways m PDAs m Audio and video remote monitoring Powered Devices are devices which receive power from the device power supplies for example IP phones Powered Devices are connected to the device via Ethernet ports This section contains information for configuring PoE Settings and includes the following topics m Viewing PoE Settings m Defining PoE Settings Viewing PoE Settings 191 The Port PoE Summary Page displays system PoE information on the device and attached ports monitoring the current power usage and operational status To view PoE Settings Click Port gt PoE gt Summary The Port PoE Summary Page opens Figure 96 Port PoE Summary Page N Baseline Switch 2924 PWR Plus com Port gt POE Summary Sony a Device Sammary SERENE Device Power Display sue Power Maxisat Power Usadivatts Power Free watts Administraton 100 9 Port Security y Monaonng Walp Select Port eae Ga oe cy eee B Sugglyng LE Enatied ia Dated a Suppenad B Fat Ports Power State The Port PoE Summary Page displays the following information Device Power Display
58. E state The possible values are a Enabled Enables the port for PoE a Disabled Disables the port for PoE m PoE Mode for selected amp enabled ports Defines the PoE mode for the selected port The possible values are a Auto Power is automatically allocated to the port according to port number Lower numbered ports are assigned a higher priority for power delivery a Guarantee Power is guaranteed to the selected port provided that the power is available This setting overrides the priority assigned to lower port numbers by the auto mode 194 CHAPTER 15 MANAGING POWER OVER ETHERNET DEVICES a Guarantee Power Summary Displays guaranteed and total PoE power Total PoE Available The total amount of PoE power that can be provided by the Switch Guarantee PoE The maximum amount of PoE power that has been guaranteed for selected ports This value is defined by the number of ports you have set to Guarantee Remaining Available Guarantee The minimum amount of non guaranteed PoE power left over after allocating the Guarantee PoE power This value is a guideline for assigning guarantee ports The actual amount of power used and available is displayed on the Port PoE Summary page see page 191 m Selected Ports Displays the PoE configuration for the selected ports The fields displayed are Port Indicates the port number State Indicates if the port is enabled to deliver power to
59. ING STARTED About the Switch 2924 PWR ssssssssee eee eene 14 Summary of Hardware Features ssssssssssssseeees 14 Front Panel Detail ctl ttd emt eret eed nse ent al a Seat 15 LED StatisIndicators a ou ee ote en et n oer aa td 16 Systerm Specificatioris 25 sc coo doe mar ceo ten i ie 17 Installirig thie SWICHU 3 Seer ba eto OE REED ORE 18 Setting Up for Management sssssssssssssseeeeeeee nee 19 Methods of Managing a Switch sss 19 Web Interface Management sssssssseeeeeeenne 19 SNMP IManagement itt t edet e exce d e e eaa 20 SwitchiSet p OVervIQW erect ne ee n ied e e 20 IP Corifig radtiohn eiai eaa dete etatem e De Red 22 Using the Command Line Interface CLI sssssse 23 Connecting to the Console Port sssssssssssssse 23 Manually set the IP Address using the Console Port n se 24 Viewing IP Information using the Console Port 25 Setting Up Web Interface Management sssssssseeee 27 Web Management Over the Network sssssseeene 28 Setting Up SNMP Management V1 or V2 28 Default Users and Passwords 29 Upgrading Software using the CL 29 USING THE 3COM WEB INTERFACE Starting the 3Com Web Interface ssssssssssssss 31 Multi Session Web Connections sssssssssseseees 31 Accessing the 3Com Web Interface ssssssssssss 32 Understanding the 3Com Web Interface 33 Devi
60. Link Aggregation Click Port Link Aggregation Summary The Link Aggregation Summary Page opens Figure 47 Link Aggregation Summary Page Ez y Baseline Switch 2924 PWR Plus Port Link Aggregation Summary 3com toc FE Gree Type Pots m Device Summary Save Configuration Adminstration gt The Link Aggregation Summary Page includes the following fields mw Group ID Displays the Link Aggregated Group ID The field range is 1 8 Type Displays the type of link aggregation for the Group ID The possible field values are Static or LACP m Ports Displays the member ports included in the specified LAG The Link Aggregation Create Page optimizes port usage by linking a group of ports together to form a single LAG Aggregating ports multiplies the bandwidth between the devices increases port flexibility and provides link redundancy 108 CHAPTER 7 AGGREGATING PORTS p Monitor users have no access to this page To create Link Aggregation Click Port gt Link Aggregation gt Create The Link Aggregation Create Page opens Figure 48 link Aggregation Create Page gt Baseline Switch 2924 PWR Plus m Port Link Aggregation Create 3C0 EEITZEN o Save Contiquraton Entec aggregation Group ws C sue C CP Select pots tor the new aggregation gt gt gt gt Selected Ports Deselected Ports oO Meander of the aggregation being crested T Not a member ef any a
61. Monitoring RMON Rapid Spanning Tree Protocol RSTP Secure Shell SSH Routing Information Protocol RIP Simple Network Management Protocol SNMP Spanning Tree Protocol STP Terminal Access Controller Access Control System Plus TACACS Trivial File Transfer Protocol TFTP User Datagram Protocol UDP RADIUS is a logon authentication protocol that uses software running on a central server to control access to RADIUS compliant devices on the network RMON provides comprehensive network monitoring capabilities It eliminates the polling required in standard SNMP and can set alarms on a variety of traffic conditions including specific error types RSTP reduces the convergence time for network topology changes to about 10 of that required by the older IEEE 802 1D STP standard A secure replacement for remote access functions including Telnet SSH can authenticate users with a cryptographic key and encrypt data connections between management clients and the switch The RIP protocol seeks to find the shortest route to another device by minimizing the distance vector or hop count which serves as a rough estimate of transmission cost RIP 2 is a compatible upgrade to RIP It adds useful capabilities for subnet routing authentication and multicast transmissions The application protocol in the Internet suite of protocols which offers network management services A technology that checks your network fo
62. P In Band Management IP Multicast Filtering IP Precedence Layer 2 Layer 3 Link Aggregated Group LAG Link Aggregation Management Information Base MIB MD5 Message Digest Algorithm A network layer protocol that reports errors in processing IP packets ICMP is also used by routers to feed back information about better routing choices A protocol through which hosts can register with their local router for multicast services If there is more than one multicast switch router on a given subnetwork one of the devices is made the querier and assumes responsibility for keeping track of group membership Management of the network from a station attached directly to the network A process whereby this switch can pass multicast traffic along to participating hosts The Type of Service ToS octet in the IPv4 header includes three precedence bits defining eight different priority levels ranging from highest priority for network control packets to lowest priority for routine traffic The eight values are mapped one to one to the Class of Service categories by default but may be configured differently to suit the requirements for specific network applications Data Link layer in the ISO 7 Layer Data Communications Protocol This is related directly to the hardware interface for network devices and passes on traffic based on MAC addresses Network layer in the ISO 7 Layer Data Communications Protocol This layer hand
63. Port number e Underline Aggregation number The Color Key Page contains the following fields m RJ45 Displays the port status of the Registered Jack 45 RJ45 connections which are the physical interface used for terminating twisted pair type cable m SFP Displays the port status of the Small Form Factor SFP optical transmitter modules that combine transmitter and receiver functions The table includes the color and the port status White Unconnected No link detected Yellow Lower speed on 10 100 1000M port Green Maximum speed 10 100 1000M RJ45 or RJ45 SFP Indicates that a link was detected Light Blue SX LX SFP Indicates that a link was detected Light Gray Port has been set to inactive by User or Protocol Dark Blue Port has been selected by user Red Port or Transceiver has failed POST or Transceivers not recognized MANAGING DEVICE SECURITY The Management Security section provides information for configuring system access defining RADIUS authentication port based authentication and defining access control lists This section includes the following topics Configuring System Access Defining RADIUS Clients Defining Port Based Authentication 802 1X Defining Access Control Lists Enabling Broadcast Storm 50 CHAPTER 4 MANAGING DEVICE SECURITY Configuring System Access Network administrators can define users passwords and access levels for users using the S
64. Precedence bit or DSCP priority bit DSCP uses a six bit tag to provide for up to 64 different forwarding behaviors Based on network policies different kinds of traffic can be marked for different kinds of forwarding The DSCP bits are mapped to the Class of Service categories and then into the output queues A system used for translating host names for network nodes into IP addresses Provides a framework for passing configuration information to hosts on a TCP IP network DHCP is based on the Bootstrap Protocol BOOTP adding the capability of automatic allocation of reusable network addresses and additional configuration options Extensible Authentication Protocol over LAN EAPOL Generic Multicast Registration Protocol GMRP IEEE 802 1D IEEE 802 1Q IEEE 802 1p IEEE 802 1s IEEE 802 1X IEEE 802 3ac IEEE 802 3x IGMP Snooping IGMP Query 239 EAPOL is a client authentication protocol used by this switch to verify the network access rights for any device that is plugged into the Switch A user name and password is requested by the switch and then passed to an authentication server e g RADIUS for verification EAPOL is implemented as part of the IEEE 802 1X Port Authentication standard GMRP allows network devices to register end stations with multicast groups GMRP requires that any participating network devices or end stations comply with the IEEE 802 1p standard Specifies a general method for the
65. The Device View Page contains the following fields m Product Description Displays the device model number and name m System Name Defines the user defined device name The field range is 0 160 characters m System Location Defines the location where the system is currently running The field range is 0 160 characters m System Contact Defines the name of the contact person The field range is 0 160 characters m Serial Number Displays the device serial number m Product 3C Number displays the 3Com device 3C number m System Object ID Displays the vendor s authoritative identification of the network management subsystem contained in the entity 90 CHAPTER 5 MANAGING SYSTEM INFORMATION MAC Address Displays the device MAC address System Up Time Displays the amount of time since the most recent device reset The system time is displayed in the following format Days Hours Minutes and Seconds For example 41 days 2 hours 22 minutes and 15 seconds Software Version Displays the installed software version number Boot Version Displays the current boot version running on the device Hardware Version Displays the current hardware version of the device Poll Now Enables polling the ports for port information including speed utilization and port status 91 Defining System The following section allows system administrators to configure advanced Settings system settings
66. Using Screen and Table Options 39 Removing Configuration Information 1 Click Administration System Access Remove The System Access Remove Page opens Figure 13 System Access Remove Page C2 Baseline Switch 2924 PWR Plus Administration gt System Access Remove SCOM qua User Name Access Level im Menagenest Salact users trem the bst above and chck Remove to ramowe tha Usaris Lowe omes cmai 2 Select the user account to be deleted 3 Click Remove The user account is deleted and the device is updated 40 CHAPTER 2 USING THE 3COM WEB INTERFACE Saving the Configuration Configuration changes are only saved to the device once the user saves the changes to the flash memory The Save Configuration tab allows the latest configuration to be saved to the flash memory To save the device configuration Click Save Configuration The Save Configuration Page opens Figure 14 Save Configuration Page x N Baseline Switch 2924 PWR Plus _ eb Save Configuration Save Configuration 3C om Save Configuration 1 Device Summary Save Configuration Administration Device Port Security Monitoring Help Y Windows Internet Explorer 2 The operation will save your configuration Do you wish to continue Lo J eme A message appears The operation will save your configuration Do you wish to continue Click OK A Configuration is saved to flash memory successful
67. V Interference Problems This booklet is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 In order to meet FCC emissions limits this equipment must be used only with cables which comply with IEEE 802 3 ICES STATEMENT This Class A digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la Classe A est conforme la norme NMB 003 du Canada CE STATEMENT EUROPE 3Com UK Peoplebuilding 2 Peoplebuilding Estate Maylands Avenue Hemel Hempstead Hertfordshire HP2 4NW United Kingdom This product complies with the European Low Voltage Directive 73 23 EEC and EMC Directive 89 336 EEC as amended by European Directive 93 68 EEC Warning This is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures A copy of the signed Declaration of Conformity can be downloaded from the Product Support web page for the Baseline Switch 2924 PWR Plus 3CBLSG24PWR at http Avww 3Com com Also available at http support 3com com doc BL SWITCH 2924 PWR EU DOC pdf VCCI STATEMENT CORES TESULISXESEGEEEBISUSZOVCCI OES I BOC VIAATRMRHRE CT CORBtRBRM CHAT o t ERHET BSR CT CEMHVYVES COBAIA AA REBT SKIER ENSECEMHVET
68. VLAN Port Detail Settings Click Device gt QoS gt VoIP Traffic Setting gt Port Detail The Voice VLAN Port Details Page opens Figure 89 Voice VLAN Port Details Page x5 Baseline Switch 2924 PWR Plus X Device QoS gt VolP Traffic Setting Port Detail 3com E gt 2 Select a port to view its settings The port is highlighted blue and the Voice VLAN port settings are displayed in the text box The Voice VLAN OUI Summary Page lists the Organizationally Unique Identifiers OUls associated with the Voice VLAN The first three bytes of the MAC Address contain a manufacturer identifier While the last three bytes contain a unique station ID Using the OUI network managers can add specific manufacturer s MAC addresses to the OUI table Once the OUls are added all traffic received on the Voice VLAN ports from the specific IP phone with a listed OUI is forwarded on the voice VLAN Defining Voice VLAN 181 To view Voice VLAN OUI Settings 1 Click Device gt QoS gt VoIP Traffic Setting gt OUI Summary The Voice VLAN OUI Summary Page opens Figure 90 Voice VLAN OUI Summary Page Qe X 3C 0 Device Qos gt VoIP Traffic Setting OUI Summary Port Detail OUI Summary ENE Device Summary Save Configuration OUI List Administration Telephony OUI s Description Device 00 01 E3 00 00 00 Siemens AG phone Port gt 00 03 6B 00 00 00 Cisco phone s 00
69. able based with a low heavy metal content ABOUT THIS GUIDE This guide provides information about the Web user interface for the 3Com Baseline Switch 2924 PWR Plus The Web interface is a network management system that allows you to configure monitor and troubleshoot your switch from a remote web browser The Web interface web pages are easy to use and easy to navigate User Guide This section provides an overview to the User Guide The User Guide Overview provides the following sections m Getting Started Provides introductory information about the Switch 2924 PWR and how it can be used in your network It covers summaries of hardware and software features m Using the 3Com Web Interface Provides information for using the Web interface including adding editing and deleting device configuration information m Viewing Basic Settings provides information for viewing and configuring essential information required for setting up and maintaining device settings a Managing Device Security Provides information for configuring both system and network security including traffic control ACLs and device access methods a Managing System Information Provides information for configuring general system information including the user defined system name the user defined system location and the system contact person m Configuring Ports Provides information for configuring port settings a Aggregating Por
70. abled The port is not participating in the Spanning Tree Speed Indicates the speed at which the port is operating 149 Path Cost Indicates the port contribution to the root path cost The path cost is adjusted to a higher or lower value and is used to forward traffic when a path is re routed Priority Indicates the priority value of the port The priority value influences the port choice when a bridge has two ports connected in a loop The priority range is between 0 240 The priority value is determined in increments of 16 RSTP Link Type Indicates whether a Point to Point link is established or if the device is permitted to establish a Point to Point link The possible field values are a Auto Enables the device to establish automatically point to point link a Point to Point Indicates if a point to point link is currently established on the port Ports set to Full Duplex modes are considered Point to Point port links a Shared Enables the device to establish a shared link Designated Bridge ID Indicates the bridge priority and the MAC Address of the designated bridge Designated Port ID Indicates the selected port priority and interface Designated Cost Indicates the cost of the port participating in the STP topology Ports with a lower cost are less likely to be blocked if STP detects loops Forward Transitions Indicates the number of times the port has changed from Forward
71. aca ese uIP APSE SETIAGOOESNTENST POPRCS Tyg eet werte x whch dom eat owe gg P Ee TIP HTTPS E SETTAGOOESHTEXIST PGPRCS Trying to set tag nctfySelect which does mot exist in the page INIM P HTTPS E SETTAGOOESHTEJIST PGPRCS Trying to set tag mbTrweSalect which does nol qutt in Ihe page uu Et P HTTPS E SETTAGOOESNTEXIST PGPRCS Trying to set tag sempVanOid which dows nct exist in the page The Logging Display Page contains the following fields and buttons m Save Preview Saves the displayed Log table to a web html page wm Clear Logs Deletes all logs from the Log table m Log Time Displays the time at which the log was generated m Severity Displays the log severity m Description Displays the log message text Click Clear Logs The selected logs are cleared and the device is updated Configuring Logging 197 The Logging Setup Page contains fields for defining which events are recorded to which logs It contains fields for enabling logs globally and parameters for defining logs Log messages are listed from the highest severity to the lowest severity level The monitor users have no access to this page To define Log Parameters Click Administration gt Logging gt Setup The Logging Setup Page opens Figure 99 Logging Setup Page 2 Baseline Switch 2924 PWR Plus m Administration gt Logging Setup SCOM NES o Device Summary Save Configuration f natie Lo
72. ag Set present the fag types in the following order Urg Ack Pah Rist Syn Fin Set is represented as T unset as 0 and dont cove as X Destination Source Flag ICMP ICMP IGMP Source Source Destination Cow nee s e 1 jes Type Address S Ad n Mosi peers es ri we 1064178 106 00 0 244 Peme 000265 10641 Port Security Moroni D Heip Remove Cancel The P Based ACL Remove Page contains the following fields m ACL Name Selects an ACL name from a list of the IP based ACLs m Remove ACL Enables the ACL to be removed m Checkbox unnamed When checked selects the rule for removal The top checkbox is used to select all rules for removal wm Priority Indicates the ACL priority which determines which ACL is matched to a packet on a first match basis The possible field values are 1 2147483647 m Protocol Indicates the protocol in the rule to which the packet is matched m Destination Port Displays the TCP UDP destination port m Source Port Displays the TCP UDP source port to which the ACL is matched a Flag Set Indicates the TCP flag matched to the packet a ICMP Type Indicates the ICMP message type for filtering ICMP packets ICMP Code Indicates the ICMP message code for filtering ICMP packets ICMP packets that are filtered by ICMP message type can also be filtered by the ICMP message code a IGMP Type Indicates the IGMP message type filter 82
73. agement on page 212 Be sure the management workstation is connected to the switch using a port in VLAN 7 the Default VLAN By default all ports on the switch are in VLAN 7 To display and configure SNMP management parameters refer to Configuring SNMP on page 155 Default Users and Passwords 29 Default Users and If you intend to manage the switch or to change the default passwords Passwords you must log in with a valid user name and password The switch has one default user name The default user is listed in Table 5 Table 5 Default Users Default User Name Password Access Level admin no password Management The user can access and change all manageable parameters Use the admin default user name no password to login and carry out initial switch setup Upgrading This section describes how to upgrade software to your Switch from the Software using the CLI p 1 Command Line Interface CLI Note You can also upgrade the software using the switch Web user interface See Restore the Software Image page 188 Bootcode can only be upgraded using the CLI To download the runtime application file enter upgrade aaa aaa aaa aaa rrr runtime where aaa aaa aaa aaa is the IP address of the TFTP server and rrr is the source runtime filename To download the bootcode file enter upgrade aaa aaa aaa aaa bbb bootcode where aaa aaa aaa aaa is the IP address of the TFTP server and bbb is the source b
74. all traffic received on the Voice VLAN ports from the specific IP phone with a listed OUI is forwarded on the voice VLAN To modify Voice VLAN OUI Settings Click Device gt QoS gt VoIP Traffic Setting gt OUI Modify The Voice VLAN OUI Modify Page opens Figure 91 Voice VLAN OUI Modify Page f x Baseline Switch 2924 PWR Plus Device QoS gt VolP Traffic Setting OUI Modify 1 Cancel The Voice VLAN OUI Modify Page contains the following fields a Telephony OUI Defines a new or existing OUI on the Voice VLAN The field contains the 3 most significant bytes of the MAC address m Description Enters a user defined OUI description The field may contain up to 32 characters m Add Allows the user to add a new OUI m Remove Allows the user to delete an existing OUI Defining Voice VLAN 183 2 Enter an OUI in the Telephony OUI field 3 Enter an OUI description in the Description field 4 Click Add to define a new OUI or click Remove to delete an existing OUI The Voice VLAN table is modified and the device is updated 14 MANAGING SYSTEM FILES The configuration file structure consists of the following configuration files m Startup Configuration File Contains the commands required to reconfigure the device to the same settings as when the device is powered down or rebooted The Startup file is created by copying the configuration commands from the Running Configuration fil
75. and the device is updated 17 VIEWING STATISTICS This section contains information for viewing port statistics and contains the following topics m Viewing Port Statistics 201 Viewing Port The Port Statistics Summary Page contains fields for viewing information Statistics about device utilization and errors that occurred on the device To view RMON statistics 1 Click Port gt Statistics gt Summary The Port Statistics Summary Page opens Figure 100 Port Statistics Summary Page QoQ Baseline Switch 2924 PWR Plus 1 Port Statistics Summary 3C om Summar y The Port Statistics Summary Page contains the following fields m Select Port Selects the specific port for which RMON statistics are displayed m Refresh Rate Defines the amount of time that passes before the interface statistics are refreshed The possible field values are No Refresh Indicates that the port statistics are not refreshed a 75 Sec Indicates that the port statistics are refreshed every 15 seconds 30 Sec Indicates that the port statistics are refreshed every 30 seconds 60 Sec Indicates that the port statistics are refreshed every 60 seconds 202 CHAPTER 17 VIEWING STATISTICS Received Bytes Octets Displays the number of octets received on the interface since the device was last refreshed This number includes bad packets and FCS octets but excludes frami
76. ased Authentication Port based authentication enables authenticating system users on a per port basis via an external server Only authenticated and approved system users can transmit and receive data Ports are authenticated via the Remote Authentication Dial In User Service RADIUS server using the Extensible Authentication Protocol EAP Port based Virtual LANs Port based VLANs classify incoming packets to VLANs based on their ingress port Port Mirroring Port mirroring monitors and mirrors network traffic by forwarding copies of incoming and outgoing packets from a monitored port to a monitoring port Users specify which target port receives copies of all traffic passing through a specified source port Switch Features 219 Table 9 Features of the Baseline Switch 2924 PWR Plus continued Feature Power over Ethernet Description Provides power to devices over LAN connection RADIUS Clients RADIUS is a client server based protocol A RADIUS server maintains a user database which contains per user authentication information such as user name password and accounting information Rapid Spanning Tree Remote Monitoring Spanning Tree can take 30 60 seconds for each host to decide whether its ports are actively forwarding traffic Rapid Spanning Tree RSTP detects uses of network topologies to enable faster convergence without creating forwarding loops Remote Monitoring RMON is an extension to SNMP w
77. ast Storm Control Defines whether forwarding Broadcast packet types is enabled on the interface a Disabled Disables broadcast control on the selected port a Broadcast Enables broadcast control on the selected port a Broadcast amp Multicast Enables broadcast and multicast control on the selected port m Packet Rate Threshold 3500 1000000 Defines the maximum rate kilobits per second at which broadcast only or broadcast and multicast packets are forwarded The range is 3 500 1 000 000 The default value is 3500 2 Define the relevant fields 3 Click APPIY Broadcast Storm is configured and the device is updated MANAGING SYSTEM INFORMATION This section contains information for configuring general system information and includes the following m Viewing System Description m Defining System Settings m Saving the Device Configuration m Resetting the Device 89 Viewing System The Device View Page displays parameters for configuring general device Description information including the system name location and contact the system MAC Address System Object ID System Up Time and MAC addresses and both software boot and hardware versions To view Device Summary Information Click Device Summary The Device View Page opens Figure 39 Device View Page 5 Baseline Switch 2924 PWR Plus F V Device Summary 3com Device View Ta e 2 7 LO ARTI 22 24 gt Myr yris Y 1
78. atchs abilty to maet QoS requirements cf reai tma applications under soma rare conditions For more information please refer to the User Guide The Port Administration Setup Page contains the following fields m Port State Specifies the port state The possible values are a No Change Retains the current port status Enable Enables the port Disable Disables the port m Speed Specifies the configured rate for the port The port speed determines what speed setting options are available Port speeds can only be configured when auto negotiation is disabled The possible field values are 103 a 0 Indicates the port is currently operating at 10 Mbps a 100 Indicates the port is currently operating at 100 Mbps a 1000 Indicates the port is currently operating at 1000 Mbps a Auto Use to automatically configure the port a No Change Retains the current port speed a Duplex Specifies the port duplex mode This field is configurable only when auto negotiation is disabled and the port speed is set to 10M or 100M The possible field values are a Auto Use to automatically configure the port a Full The interface supports transmission between the device and its link partner in both directions simultaneously a Half The interface supports transmission between the device and the client in only one direction at a time a No Change Retains the current port duplex mode m Flow
79. authorized users m Guest VLAN ID Specifies the guest VLAN ID 802 1X Port Settings m Admin Port Control Specifies the admin port authorization state a Auto Enables port based authentication on the device The interface moves between an authorized or unauthorized state based on the authentication exchange between the device and the client a Force Authorized Places the interface into an authorized state without being authenticated The interface re sends and receives normal traffic without client port based authentication a Force Unauthorized Denies the selected interface system access by moving the interface into unauthorized state The device cannot provide authentication services to the client through the interface m Guest VLAN Specifies whether the Guest VLAN is enabled on the port The possible field values are a Enable Enables using a Guest VLAN for unauthorized ports If a Guest VLAN is enabled the unauthorized port automatically joins the VLAN selected from the Guest VLAN ID dropdown list a Disable Disables Guest VLAN on the port This is the default m Periodic Reauthentication Enables periodic reauthentication on the port a Enable Enables the periodic reauthentication on the port a Disable Disables the periodic reauthentication on the port m Reauthentication Period Defines the time span in seconds in which the selected port is reauthenticated The field default
80. cal Loggng Emergency F natie Sysioggeg Emergency f SyseglPAM Pee Sywleg Pon Administration Deco Port Secunty Monitoring Heip Aw cw 198 CHAPTER 16 MANAGING SYSTEM LOGS The Logging Setup Page contains the following fields Enable Local Logging Specifies if device local logs for Cache and servers are enabled Console logs are enabled by default Severity level Specifies the minimum severity level for which a message will be logged When a severity level is selected all severity level choices above the selection are selected automatically The possible field values are Emergency The highest warning level If the device is down or not functioning properly an emergency log message is saved to the specified logging location Alert The second highest warning level An alert log is saved if there is a serious device malfunction for example all device features are down Critical The third highest warning level A critical log is saved if a critical device malfunction occurs for example two device ports are not functioning while the rest of the device ports remain functional Error A device error has occurred for example if a single port is offline Warning The lowest level of a device warning The device is functioning but an operational problem has occurred Notice Provides device information Info Provides device information Debug Provides debugging messag
81. cates the destination port that is matched packets Enabled only when TCP or UDP are selected in the Protocol list m Source Port Indicates the source port that is matched packets Enabled only when TCP or UDP are selected in the Protocol list m Flag Set Indicates the TCP flag to which the packet is mapped a ICMP Type Indicates the ICMP message type for filtering ICMP packets 72 CHAPTER 4 MANAGING DEVICE SECURITY Defining IP Based ACLs a ICMP Code Indicates the ICMP message code for filtering ICMP packets ICMP packets that are filtered by ICMP message type can also be filtered by the ICMP message code a IGMP Type Indicates the IGMP message type filter m Source Address Matches the source IP address to which packets are addressed to the ACL m Source Mask Indicates the source IP address mask m Destination Address Matches the destination IP address to which packets are addressed to the ACL m Destination Mask Indicates the destination IP address mask a DSCP Matches the packet DSCP value to the ACL Either the DSCP value or the IP Precedence value is used to match packets to ACLs m IP Prec Indicates matching ip precedence with the packet IP precedence value m Action Indicates the ACL forwarding action In addition the port can be shut down a trap can be sent to the network administrator or packet is assigned rate limiting restrictions for forwarding The opti
82. ce Representation sssssssseeseeee enne nennen nena 35 Using the 3Com Web Interface Management Buttons 35 Using Screen and Table Options sssssssssssss 36 Saving the Configuration 40 Resetting the Device sie e ON Le He NI te RES 41 Restoring Factory Defaults ssssssssssssseeeeneenenns 43 Logging Off the Device cisci te pott up epe tien Rupert 44 VIEWING BASIC SETTINGS VIEWING Device SETUNGS imeem dene ere te reca Fe t een td 46 Viewing Color Keys ssssssssssssseeeeee eene 48 MANAGING DEVICE SECURITY Configuring System ACCESS eee 50 Viewing System Access Settings sssssssssss 51 Defining System Access sss 52 Modifying System Access oitisecteu e i e Wee s 53 Removing System ACCESS ssssssssesseeeeeteneeneeenenenn nnne ntn tnn 54 Defining RADIUS Clients do e ep e n deus 55 Defining Port Based Authentication 802 1X ssssssssssee 57 Viewing 802 1X Authentication ssssssssssse 58 Defining 802 1X Authentication sss 60 Defining Access Control Lists oe eed de ele etd es 62 Viewing MAC Based ACLS sss eene 63 Configuring MAC Based ACLS sss 64 Modifying MAC Based ACLS sssssssssssssseeeeeeneeneens 67 Removing MAC Based ACLS ssssssssssssseee ee 69 Viewing IP Based ACLS sssssssssssss emen 71 Defining IP Based ACLS sssssssssssseeeeeeeneeen ns 72 Modifying IP Based ACLS
83. ch s Web interface supports both secure HTTPS and non secure HTTP connections 28 CHAPTER 1 GETTING STARTED Web Management Over the Network 1 To manage a switch using the web interface over an IP network Be sure that you know your switch s IP address See IP Configuration on page 22 and Viewing IP Information using the Console Port on page 25 Check that your management workstation is on the same subnet as your switch Check you can communicate with the switch by entering a ping command at the DOS or CMD prompt in the following format C NV ping XXX XXX XXX XXX where xxx xxx xxx xxx is the IP address of the switch If you get an error message check that your IP information has been entered correctly and the switch is powered up Open your web browser and enter the IP address of the switch that you wish to manage in the URL locator for example in the following format http xxx XXX XXX XXX At the login and password prompts enter admin as your user name and press Return at the password prompt or the password of your choice if you have already modified the default passwords The main Web interface page is displayed Setting Up SNMP Management V1 or V2 You can use any network management application running the Simple Network Management Protocol SNMP to manage the switch 3Com offers a range of network management applications to address networks of all sizes and complexity See 3Com Network Man
84. ch the traps are sent m Trap Displays the trap type The possible field values are a SNMP V1 Indicates that SNMP Version 1 traps are sent a SNMP V2c Indicates that SNMP Version 2 traps are sent a Community String Displays the community string of the trap manager 2 For each SNMP trap to be removed check the box to the left of the row in the table To remove all SNMP traps the topmost box may be checked 3 Click Remove The SNMP traps are deleted and the device is updated 13 CONFIGURING QUALITY OF SERVICE Quality of Service QoS provides the ability to mplement QoS and priority queuing within a network For example certain types of traffic that require minimal delay such as Voice Video and real time traffic can be assigned a high priority queue while other traffic can be assigned a lower priority queue The result is an improved traffic flow for traffic with high demand QoS is defined by m Classification Specifies which packet fields are matched to specific values All packets matching the user defined specifications are classified together m Action Defines traffic management where packets are forwarded are based on packet information and packet field values such as VLAN Priority Tag VPT and DiffServ Code Point DSCP m VPT Classification Information VLAN Priority Tags VPT are used to classify packets by mapping packets to one of the egress queues VPT to Queue assignments are use
85. ches the destination MAC address to which packets are addressed to the rule Destination Mask Defines the destination MAC Address wildcard mask Wildcards are used to mask all or part of a destination MAC address Wildcard masks specify which bits are used and which are ignored A wildcard mask of FF FF FF FF FF FF indicates that no bit is important A wildcard mask of 00 00 00 00 00 00 indicates that all bits are important For example if the destination MAC address is 00 AB 22 11 33 00 and the wildcard mask is 00 00 00 00 00 FF the first five bytes of the MAC are used while the last byte is ignored For the destination MAC address 00 AB 22 11 33 00 this wildcard mask matches all MAC addresses in the range 00 AB 22 11 33 00 to 00 AB 22 11 33 FF VLAN ID Matches the packet s VLAN ID to the rule The possible field values are 1 to 4093 CoS Classifies traffic based on the CoS tag value CoS Mask Defines the CoS mask used to classify network traffic 66 CHAPTER 4 MANAGING DEVICE SECURITY m Ethertype Provides an identifier that differentiates between various types of protocols m Action Specifies the ACL forwarding action In addition the port can be shut down a trap can be sent to the network administrator or packet is assigned rate limiting restrictions for forwarding The options are as follows a Permit Forwards packets which meet the ACL criteria Deny Drops packets which meet the ACL criter
86. configuration User Guidelines There are no user guidelines for this command Example The following displays the list presented for the command Select menu options initialize Reset the device to factory default and reboot ipsetup Configures IP address logout Logout from this session ping Send echo messages reboot Power cycles the device summary Summarizes IP setup and software versions upgrade Software upgrade over TFTP 230 APPENDIX E 3COM CLI REFERENCE GUIDE Ping The Ping command sends ICMP echo request packets to another node on the network Syntax ping IP address URL hostname Parameters a P Address IP address to ping a URL URL address to ping a hostname hostname to ping Range 1 158 characters Default Configuration This command has no default configuration User Guidelines There are no user guidelines for this command Example The following displays current IP configuration and software versions running on the device Select menu option ping 10 6 150 75 Pinging 10 6 150 75 with 32 bytes of data Reply from 10 6 150 75 bytes 32 time 1ms TTL 128 Reply from 10 6 150 75 bytes 32 time lt lms TTL 128 Reply from 10 6 150 75 bytes 32 time lt lms TTL 128 Reply from 10 6 150 75 bytes 32 time 1ms TTL 128 Ping statistics for 10 6 150 75 Packets Sent 4 Received 4 Lost O 0 loss Approximate round trip times in milli seconds Minimum Om
87. contained in the sections that follow In brief you need to m Configure IP information manually for your switch or view the automatically configured IP information m Prepare for your chosen method of management Switch Setup Overview 21 Figure 4 Initial Switch Setup and Management Flow Diagram No J The switch uses its default IP information See page 22 configure the IP information gt No How do you want to view the automatically configured IP information Refer to the label on Connect to the the rear of the switch console port and use which details the the Command Line default IP address Interface See page 25 Power Up the Switch a i 2 Is a DHCP server present a Yes lt q gt c E i so g o 2 IP Information is automatically a configured using DHCP See page 22 Do you want to manually Yes S i E o p How do you want to connect to the Switch e o S 2 a Connect to the Connect to a front panel T console port and use port and use the Web the Command Line Interface Interface See page 27 See page 23 v How do you want to manage your Switch See page 19 v Command Line Interface SNMP basic setup only See page 28 Web Interface Connect using the console port See page 23 Connect over
88. ctet following the urgent data Ack Acknowledgement field significant The acknowledgement field is the byte number of the next byte that the sender expects to receive from the receiver Psh Push send the data as soon as possible without buffering This is used for interactive traffic Rst Reset the connection This invalidates the sequence numbers and aborts the session between the sender and receiver Syn Synchronize Initial Sequence Numbers ISNs This is used to initialize a new connection Fin Finish This indicates there is no more data from the sender This marks a normal closing of the session between the sender and receiver For each TCP flag the possible field values are Set Enables the TCP flag Unset Disables the TCP flag Don t Care Does not check the packet s TCP flag Defining Access Control Lists 79 ICMP If checked enables filtering ICMP packets for an ICMP message type The possible values are Select from List Selects an ICMP message type from a list a CMP Type Specifies an ICMP message type a Any Does not filter for an ICMP message type ICMP Code If checked enables specifying an ICMP message code for filtering ICMP packets ICMP packets that are filtered by ICMP message type can also be filtered by the ICMP message code IGMP If checked enables filtering IGMP packets for an IGMP message type The possible values are a Select from Li
89. d configuration tools Detailed statistical monitoring and historical reporting give you visibility into how your network is performing To find out more about how 3Com Network Director can help you manage your 3Com network and to download a trial version go to www 3com com 3nd 3Com Network Access Manager 3Com Network Access Manager is installed seamlessly into Microsoft Active Directory and Internet Authentication Service IAS It simplifies the task of securing the network perimeter by allowing the administrator to easily control network access directly from the Users and Computers console in Microsoft Active Directory With a single click a user or even an entire department can be moved to a different VLAN or a computer can be blocked from connecting to the network 3Com Network Access Manager leverages the advanced desktop security capabilities of 3Com switches and wireless access points using IEEE 802 1X or RADA desktop authentication to control both user and computer access to the network To find out more about 3Com Network Access Manager go to www 3com com NAM 214 APPENDIX A 3COM NETWORK MANAGEMENT 3Com Enterprise Management Suite 3Com Enterprise Management Suite EMS delivers comprehensive management that is flexible and scalable enough to meet the needs of the largest enterprises and advanced networks This solution provides particularly powerful configuration and change control functionalitie
90. dditional product and support information See the table of access numbers later in this appendix Access Software Downloads You are entitled to bug fix maintenance releases for the version of software that you initially purchased with your 3Com product To obtain access to this software you need to register your product and then use the Serial Number as your login Restricted Software is available at http eSupport 3com com To obtain software releases that follow the software version that you originally purchased 3Com recommends that you buy an Express or Guardian contract a Software Upgrades contract or an equivalent support contract from 3Com or your reseller Support contracts that include software upgrades cover feature enhancements incremental functionality and bug fixes but they do not include software that is released by 3Com as a separately ordered product Separately orderable software releases and licenses are listed in the 3Com Price List and are available for purchase from your 3Com reseller Contact Us Telephone Technical Support and Repair 3Com offers telephone internet and e mail access to technical support and repair services To access these services for your region use the appropriate telephone number URL or e mail address from the table in the next section To obtain telephone support as part of your warranty and other service benefits you must first register your product at http eSup
91. default amount of time in minutes that a RADIUS server is bypassed for service requests The range is 0 2000 The default value is 0 Key String Defines the default key string used for authenticating and encrypting all RADIUS communications between the device and the RADIUS server This key must match the RADIUS encryption 2 Define the fields 3 Click Apply The RADIUS client is enabled and the system is updated Defining Port Based Authentication 802 1X 57 Defining Port Based Authentication 802 1X Port based authentication authenticates users on a per port basis via an external server Only authenticated and approved system users can transmit and receive data Ports are authenticated via the RADIUS server using the Extensible Authentication Protocol EAP Port based authentication includes Authenticators Specifies the device port which is authenticated before permitting system access Supplicants Specifies the host connected to the authenticated port requesting to access the system services Authentication Server Specifies the server that performs the authentication on behalf of the authenticator and indicates whether the supplicant is authorized to access system services Port based authentication creates two access states Controlled Access Permits communication between the supplicant and the system if the supplicant is authorized Uncontrolled Access Permits uncontrolled communicatio
92. dress Table gt Port Remove The Port Remove Page opens Figure 67 Port Remove Page Baseline Switch 2924 PWR Plus 3com V Monitoring gt Address Table Port Remove Pon Remove Save Configuration Select a Port SAAS GG fedes m isa AR ROTE Meniioring incisos VAN D Sute Pon Index Agog Tee Heip fae Sled None Bek tle EN The Port Remove Page contains the following fields m Select a Port Selects the port to remove a MAC Address Displays the current MAC addresses listed in the MAC address table for the selected port a VLAN ID Displays the VLAN ID associated with the port and MAC address 140 CHAPTER 9 CONFIGURING IP AND MAC ADDRESS INFORMATION State Displays the MAC address configuration method Possible values are a Config Static Indicates the MAC address is statically configured Port Index Indicates the port through which the address was learned Aging Time Indicates the amount of time the MAC address remains in the Dynamic Address table before it is timed out if no traffic from the source is detected The default value is 300 seconds Select All Selects all ports for removal Select None De selects all ports for removal 2 Select the ports to remove 3 Click Remove The selected ports are removed from the address table and the device is updated Removing MAC Addresses from the Address Table Configuring Address Tables
93. e 17 Reset Page c Baseline Switch 2924 PWR Plus a Administration gt Reset Reset gcom a Device Power Cycie the unt by pressing the Reboot button Eaton Ratum the deuce to factory delasis by pressing the Intiakze button inbakze weh Curent P Address intiakze wth Detaut P Address Bms The Reset Page contains the following fields a Initialize with Current IP Address Resets the device with the factory default settings but maintains the current IP Address a Initialize with Default IP Address Resets the device with the factory default settings including the IP Address 2 Click nitailize The system is restored to factory defaults 44 CHAPTER 2 USING THE 3COM WEB INTERFACE Logging Off the To log off the device Device 1 Click Emm The Logout Page opens 2 The following message appears Microsoft Internet Explorer x D Are you sure you want to log off cea 3 Click OK The 3Com Web Interface Home Page closes VIEWING BASIC SETTINGS This section contains information for viewing basic settings The 3Com Web Interface Home Page presents a device summary section that provides the system administrator with the option to view essential information required for setting up and maintaining device settings The Device Summary Section contains the following views m Viewing Device Settings a Viewing Color Keys 46 CHAPTER 3 VIEWING BASIC SETTINGS Viewing Device The Device Summar
94. e 802 1X Settings Click Security gt 802 1X gt Setup The 802 1 X Setup Page opens Figure 26 802 1X Setup Page amp Q Baseline Switch 2924 PWR Plus Security gt 802 1x Setup scom a Aosty Cancel The 802 1X Setup Page contains the following fields 802 1X Global Settings m Port Based Authentication State Specifies if Port Authentication is enabled on the device The possible field values are a Enable Enables port based authentication on the device a Disable Disables port based authentication on the device This is the default value m Authentication Method Specifies the authentication method used for port authentication The possible field values are a RADIUS Provides port authentication using the RADIUS server a RADIUS None Provides port authentication first using the RADIUS server If the port is not authenticated then no authentication method is used and the session is permitted a None Indicates that no authentication method is used to authenticate the port Defining Port Based Authentication 802 1X 61 a Enable Guest VLAN Provides limited network access to authorized ports If a port is denied network access via port based authorization but the Guest VLAN is enabled the port receives limited network access For example a network administrator can use Guest VLANs to deny network access via port based authentication but grant Internet access to un
95. e or by downloading the configuration file from via TFTP or HTTP a Running Configuration File Contains all configuration file commands as well as all commands entered during the current session After the device is powered down or rebooted all commands stored in the Running Configuration file are lost During the startup process all commands in the Startup file are copied to the Running Configuration File and applied to the device During the session all new commands entered are added to the commands existing in the Running Configuration file Commands are not overwritten To update the Startup file before powering down the device the Running Configuration file must be copied to the Startup Configuration file by clicking on the Save Configuration button The next time the device is restarted the commands are copied back into the Running Configuration file from the Startup Configuration file a Image files Software upgrades are used when a new version file is downloaded The file is checked for the right format and that it is complete After a successful download the new version is marked and is used after the device is reset Backup and restore of the configuration files are always done from and to the Startup Config file 185 This section contains information for defining File maintenance and includes both configuration file management as well as device access This section contains the following topics m Backing Up Sys
96. e registered trademarks of the Institute of Electrical and Electronics Engineers Inc All other company and product names may be trademarks of the respective companies with which they are associated ENVIRONMENTAL STATEMENT It is the policy of 3Com Corporation to be environmentally friendly in all operations To uphold our policy we are committed to Establishing environmental performance standards that comply with national legislation and regulations Conserving energy materials and natural resources in all operations Reducing the waste generated by all operations Ensuring that all waste conforms to recognized environmental standards Maximizing the recyclable and reusable content of all products Ensuring that all products can be recycled reused and disposed of safely Ensuring that all products are labelled according to recognized environmental standards Improving our environmental record on a continual basis End of Life Statement 3Com processes allow for the recovery reclamation and safe disposal of all end of life electronic components Regulated Materials Statement 3Com products do not contain any hazardous or ozone depleting material Environmental Statement about the Documentation The documentation for this product is printed on paper that comes from sustainable managed forests it is fully biodegradable and recyclable and is completely chlorine free The varnish is environmentally friendly and the inks are veget
97. ect None De selects all current MAC addresses in the table for removal 2 Select the MAC addresses to remove 3 Click Remove the selected MAC addresses are removed from the address table and the device is updated 10 CONFIGURING IGMP SNOOPING This section contains information for configuring IGMP Snooping When IGMP Snooping is enabled globally all IGMP packets are forwarded to the CPU The CPU analyzes the incoming packets and determines m Which ports want to join which Multicast groups a Which ports have Multicast routers generating IGMP queries m Which routing protocols are forwarding packets and Multicast traffic Ports requesting to join a specific Multicast group issue an IGMP report specifying that Multicast group is accepting members This results in the creation of the Multicast filtering database This section contains the following topic m Defining IGMP Snooping 144 CHAPTER 10 CONFIGURING IGMP SNOOPING Defining IGMP Snooping P The GMP Snooping Setup Page allows network managers to define IGMP Snooping parameters for VLANs The monitor users have read only access to this page To configure IGMP Snooping Click Device gt IGMP Snooping gt Setup The GMP Snooping Setup Page opens Figure 69 IGMP Snooping Setup Page EAN Baseline Switch 2924 PWR Plus Device gt IGMP Snooping Setup 3com a The IGMP Snooping Setup Page contains the following fields a IGMP Snooping Status
98. ed ACL Displays the IP based ACL to which the interface is assigned wm Select ACL Selects the ACL from a list of previously defined Access Control Lists to which the port or LAG can be bound To bind an ACL to a LAG the ACL should be bound to its port members 2 Define the relevant fields 3 Click PPIY ACL Binding is defined and the device is updated ao con Removing ACL Binding P 1 2 3 Defining Access Control Lists 85 The ACL Binding Remove Page allows the network administrator to remove user defined ACLs from a selected interface Monitor users have no access to this page To remove ACL Binding Click Device gt ACL gt ACL Binding gt Remove The ACL Binding Remove Page opens Figure 37 ACL Binding Remove Page e V Baseline Switch 2924 PWR Plus Device ACL gt A i 3com ic L RA Sa ACL Interface Hame Aaminwabon gt Deco Port Security p Monitoring Heip a niInininininininn V n r e e o v o Eee Emess jenem The ACL Binding Remove Page contains the following fields m Checkbox unnamed Marks the ACL for removal wm Interface Displays the port interface to which the ACL is bound ACL Name Displays the name of ACL to be removed from the selected port For each ACL to be removed check the box to the left of the row in the table To remove all ACLs the topmost box may be checked Click Rem
99. elds 3 Click Apply The MAC address is added to the address table and the device is updated 138 CHAPTER 9 CONFIGURING IP AND MAC ADDRESS INFORMATION Defining Aging Time P 2 3 The Adaress Table Setup Page allows the network manager to define the Address Table Aging Time The Aging Time is the amount of time the MAC addresses remain in the Dynamic Address table before they are timed out if no traffic from the source is detected The default value is 300 seconds The monitor users have no access to this page To define the Aging Time Click Monitoring Address Table Setup The Address Table Setup Page opens Figure 66 Address Table Setup Page x Baseline Switch 2924 PWR Plus F Ne Monitoring gt Address Table Setup Setup Aging time seconds 10 630 detaut 300 Ln enia The Adaress Table Setup Page contains the following field a Aging Time Defines the amount of time the MAC address remains in the Dynamic Address table before it is timed out if no traffic from the source is detected The default value is 300 seconds Enter the desired aging time Click Apply The MAC address table configuration is enabled and the device is updated Removing Address Table Ports b Configuring Address Tables 139 The Port Remove Page allows the network manager to remove ports from the Address Table The monitor users have no access to this page To remove ports Click Monitoring gt Ad
100. erprise Management Suite m Integration Kit with HP OpenView Network Node Manager Details of these and other 3Com Network Management Solutions can be found at www 3com com network management 3Com Network Supervisor 3Com Network Supervisor 3NS is an easy to use management application that graphically discovers maps and monitors the network and links It maps devices and connections so you can easily wm Monitor stress levels m Set thresholds and alerts m View network events m Generate reports in user defined formats m Launch embedded device configuration tools 3NS is configured with intelligent defaults and the ability to detect network misconfigurations It can also offer optimization suggestions making this application ideal for network managers with all levels of experience To find out more about 3Com Network Supervisor and to download a trial version go to www 3com com 3ns 3Com Network Director 213 3Com Network Director 3Com Network Director 3ND is a standalone application that allows you to carry out key management and administrative tasks on midsized networks By using 3ND you can discover map and monitor all your 3Com devices on the network It simplifies tasks such as backup and restore for 3Com device configurations as well as firmware and agent upgrades 3ND makes it easy to roll out network wide configuration changes with its intelligent VLAN configuration tools and the powerful template base
101. es Not Active Provides no messages 199 a Enable Syslogging Specifies if device syslogs for Cache and servers are enabled m Severity level Specifies the minimum severity level for which a message will be logged When a severity level is selected all severity level choices above the selection are selected automatically The possible field values are Emergency The highest warning level If the device is down or not functioning properly an emergency log message is saved to the specified logging location Alert The second highest warning level An alert log is saved if there is a serious device malfunction for example all device features are down Critical The third highest warning level A critical log is saved if a critical device malfunction occurs for example two device ports are not functioning while the rest of the device ports remain functional Error A device error has occurred for example if a single port is offline Warning The lowest level of a device warning The device is functioning but an operational problem has occurred Note Provides device information Informational Provides device information Debug Provides debugging messages m Syslog IP Address Defines the IP Address to upload syslog messages to m Syslog Port Defines the UDP Port through which syslog messages are uploaded 2 Define the fields 3 Click Apply The log parameters are set
102. ess to all the stations Community String m Standard Selects pre defined community strings The possible field values are a public Displays the pre defined public community string name a private Displays the pre defined private community string name m User Defined Defines a user defined community string name m Access Mode Defines the access rights of the community The possible field values are a Read Only Management access is restricted to read only and changes cannot be made to the community a Read Write Management access is read write and changes can be made to the device configuration but not to the community 2 Define the relevant fields 3 Click Apply The SNMP Communities are defined and the device is updated 158 CHAPTER 12 CONFIGURING SNMP Removing SNMP Communities p The SNMP Communities Remove Page allows the system manager to remove SNMP Communities Monitor users have no access to this page To remove SNMP communities Click Administration SNMP Communities Remove The SNMP Communities Remove Page opens Figure 74 SNMP Communities Remove Page m Baseline Switch 2924 PWR Plus 3 C om V Administration gt SNMP gt Communities Remove BSECTENR o Device summary Seve conngwavon r uanogement Station seme art Adminstration gt LEL Read Ooty Device Port Security gt teestonng Lo d Ramos Cancel j The SNMP Commu
103. evice Summary Save Configuration Recipient IP Address Community String Administration Device Trap Version SNMPvi Port Security gt Monitoring Cancel Help Recipient IP Trap Community String 160 CHAPTER 12 CONFIGURING SNMP The SNMP Traps Setup Page contains the following fields m Recipients IP Address Defines the IP address to which the traps are sent Community String Defines the community string of the trap manager m Trap Version Specifies the trap type The possible field values are a SNMP V1 Indicates that SNMP Version 1 traps are sent a SNMP V2c Indicates that SNMP Version 2 traps are sent 2 Define the relevant fields 3 Click PPlY The SNMP Traps are defined and the device is updated Removing SNMP Traps P 1 The SNMP Traps Remove Page allows the network manager to remove SNMP Traps Monitor users have no access to this page To remove SNMP traps Click Administration SNMP Traps Remove The SNMP Traps Remove Page opens Figure 76 SNMP Traps Remove Page t N Baseline Switch 2924 PWR Plus Administration gt SNMP gt Traps Remove 3com Remove Cancel 161 The SNMP Traps Remove Page contains the following fields m Checkbox unnamed When checked selects an SNMP trap for removal The top checkbox is used to select all SNMP traps for removal m Recipients IP Displays the IP address to whi
104. ewing Costo QUEUE 5 raices rtr Lr t t RP ERU C eats 165 Defining COS to Queue sssssssssseeeeeeeeeenene 165 Viewing DSCP to Queue rinena ea a eren eene nnn 167 Configuring DSCP Queue eie eos eee ree t rs 168 14 15 16 17 18 Configuring Trust Settings ssssssssssssseeeene 169 Viewing Bandwidth Settings ssssssssssssss 170 Defining Bandwidth Settings 172 Defining VOICE VLAN ete stein ntes tert em var ete redeem pee 174 Viewing Volce VEANS iustus e me le eee ce eco eel red eu 175 Detinihg Velce VEAN inet ptem e ie TH UR DAC ER 176 Defining Voice VLAN Port Settings ssssssssse 177 Viewing Voice VLAN Port Definitions ssssssssssse 179 Viewing the OUI Summaries ssssssssssse 180 Modifying OUI Definitions ssssssssssssems 182 MANAGING SYSTEM FILES Backing Up System Files css tread a tege beet 186 ReStoritig FlleS sss ueteri 187 Restore the Software Image ssssssssssssseme 188 Activating Image Files sssssssssssem ee 189 MANAGING POWER OVER ETHERNET DEVICES VIEWING POE Settings 1 rote rte t eed erbe ed e 191 Defining POE Settings ue ae f mene eet e ed etd 193 MANAGING SYSTEM LoGs MIGWINGIEOGS iios eom de cea MERE Qut DU Pra RR 196 Configutirig Logging asc hala doa ee 197 VIEWING STATISTICS viewing Port Statistics 3 et eL P ak adi 201 MANAGING DEVICE DIAGNOSTICS Configuring Port MIFTOFIDG irte e
105. fiquraton LACP System Prenty The LACP Modify Page contains the following fields m LACP System Priority Specifies system priority value The default value is 7 The field range is 1 65555 m Select Port Selects the port number to which timeout and priority values are assigned m LACP Port Priority Specifies the LACP priority value for the port The default is 7 The field range is 1 655535 m LACP Timeout Selects the administrative LACP timeout The possible field values are a Long Specifies the long timeout value This is the default a Short Specifies the short timeout value 2 Define the fields 3 Click Apply The LACP Link Aggregation is modified and the application is updated 115 CONFIGURING VLANs VLANs are logical subgroups with a Local Area Network LAN which combine user stations and network devices into a single unit regardless of the physical LAN segment to which they are attached VLANs allow network traffic to flow more efficiently within subgroups VLANs use software to reduce the amount of time it takes for network changes additions and moves to be implemented VLANs restrict traffic within the VLAN VLANs have no minimum number of ports and can be created per unit per device or through any other logical connection combination since they are software based and not defined by physical attributes VLANs function at Layer 2 Since VLANs isolate traffic within the VL
106. formation User defined information can be added to specific 3Com Web Interface pages by opening the P Setup Page To configure IP Setup 1 Click Administration IP Setup The P Setup Page opens Figure 11 P Setup Page x 9 Baseline Switch 2924 PWR Plus V Ve Administration gt IP Setup IP Setup ji 3C 0 m IP Setup Device Summary Save Configuration Configuration Static User enters IP configuration M Method C DHCP IP configuration obtained by DHCP Server Administration Device Port IP Address 10 2 48 96 Security Subnet Mask 2552552550 Monitoring Default Gateway Help 2 Enter requisite information in the text field 3 Click Apply The IP information is configured and the device is updated 38 CHAPTER 2 USING THE 3COM WEB INTERFACE Modifying Configuration Information 1 Click Administration gt System Access gt Modify The System Access Modify Page opens Figure 12 System Access Modify Page t 9 Baseline Switch 2924 PWR Plus Administration gt System Access Modify acom Device Summary Save Configuration Users Summary Sa A User Name Access Level Administration admin Managemenc Device gt monitor Monitor Port Security Monitoring oio Access Level Monitor El I Password Modify Password BER PESESER Confirm Password sesesessss 10 Character Maximum 2 Modify the fields 3 Click Apply The access fields are modified
107. fy Page contains the following fields m STP Specifies if STP is enabled on the port The possible field values are Enable Indicates that STP is enabled on the port Disable Indicates that STP is disabled on the port m Port Fast Specifies if Fast Link is enabled on the port If Fast Link mode is enabled for a port the port is automatically placed in the Forwarding state when the port link is up Fast Link optimizes the STP protocol convergence STP convergence takes 30 seconds and is not dependent on the number of switches in the network The possible field values are 154 CHAPTER 11 CONFIGURING SPANNING TREE a Enabled Indicates fast link is enabled on the port a Auto Enables the device to automatically establish a fast link a Disabled Indicates fast link is disabled on the port m Root Guard Restricts the interface from acting as the root port of the switch The possible field values are a Enable Indicates Root Guard is enabled on the port Disable Indicates Root Guard is disabled on the port m Default Path Cost Specifies if Default Path Cost is enabled The possible field values are a Enable Enables the default path cost on the port a Disable Disables the default path cost on the port m Path Cost Defines the port contribution to the root path cost The path cost is adjusted to a higher or lower value and is used to forward traffic when a path is re rou
108. gated Groups LAGs Aggregated Links may be defined each with up to eight member ports to form a single LAG LAGs provide m Fault tolerance protection from physical link disruption m Higher bandwidth connections a Improved bandwidth granularity m High bandwidth server connectivity m LAG is composed of ports with the same speed set to full duplex operation MAC Address Capacity Support The device supports up to 8K MAC addresses The device reserves specific MAC addresses for system use MAC Multicast Support Multicast service is a limited broadcast service which allows one to many and many to many connections for information distribution Layer 2 Multicast service is where a single frame is addressed to a specific Multicast address from where copies of the frame are transmitted to the relevant ports MDI MDIX Support The device automatically detects whether the cable connected to an RJ 45 port is crossed or straight through when auto negotiation is enabled Standard wiring for end stations is Media Dependent Interface MDI and the standard wiring for hubs and switches is known as Media Dependent Interface with Crossover MDIX Password Management Password management provides increased network security and improved password control Passwords for HTTP HTTPS and SNMP access are assigned security features For more information on Password Management see Default Users and Passwords page 29 Port b
109. ggregation Member of an exating aggregation ec VLAN Help Aer Cancel The Link Aggregation Create Page includes the following fields m Enter aggregation Group ID Defines the group ID The field range Is 7 8 m Static Selects the link aggregation type to be static m LACP Selects the link aggregation type to be LACP m Select ports for the new aggregation Selects the ports for which the link aggregation parameters are to be defined The ports are color coded as follows Selected ports Blue Displays a member of the aggregation being created Deselected ports a White Displays a non existent member of any aggregation a Grey Displays a member of an existing aggregation or VLAN 109 Summary m Group ID Displays the Link Aggregated Group ID The field range is 1 8 a Type Displays the type of link aggregation The possible field values are Static or LACP a Member Ports Displays the ports configured to the link aggregation 2 Define the fields 3 Click Apply The link aggregation configuration is defined and the device is updated 110 CHAPTER 7 AGGREGATING PORTS Modifying Link The Link Aggregation Modify Page optimizes port usage by linking a Aggregation group of ports together to form a single LAG Aggregating ports multiplies the bandwidth between the devices increases port flexibility and provides link redundancy i gt Monitor users have no access to this page
110. ging to a group preferential service in terms of allocation of system resources possibly at the expense of other traffic Switch Features 217 Table 9 Features of the Baseline Switch 2924 PWR Plus continued Feature Command Line Interface Description The Command Line Interface CLI is an interface using a serial connection that allows basic features to be configured including IP address management and firmware upgrading The CLI is not intended as the main interface for the switch Configuration File Management The device configuration is stored in a configuration file The Configuration file includes both system wide and port specific device configuration The system can display configuration files in the form of a collection of CLI commands which are stored and manipulated as text files DHCP Clients Dynamic Host Client Protocol DHCP enables additional setup parameters to be received from a network server upon system startup DHCP service is an on going process Domain Name System Domain Name System DNS converts user defined domain names into IP addresses Each time a domain name is assigned the DNS service translates the name into a numeric IP address For example www ipexample com is translated to 192 87 56 2 DNS servers maintain domain name databases and their corresponding IP addresses Fast Link STP can take up to 30 60 seconds to converge During this time STP detects possible loops allo
111. gs are modified and the device is updated 54 CHAPTER 4 MANAGING DEVICE SECURITY Removing System Access b 2 D The System Access Remove Page allows network administrators to remove users from the System Access Interface Monitor users have no access to this page To remove users Click Administration gt System Access gt Remove The System Access Remove Page opens Figure 23 System Access Remove Page m Baseline Switch 2924 PWR Plus Administration gt System Access Remove SCOM Ar EANNCTENMENCONNE eo 0 Hp AT E 8 Femme cmu The System Access Remove Page contains the following fields Remove User s Users to be removed can be selected from the list below m User Name Displays the user name m Access Level Displays the user access level The lowest user access level is Monitoring and the highest is Management a Management Provides users with read and write access rights a Monitoring Provides users with read access rights Select the Users to be deleted The last user with management access may not be deleted Click Remove The Users are deleted and the device is updated Defining RADIUS Clients 55 Defining RADIUS Clients P Remote Authorization Dial In User Service RADIUS servers provide additional security for networks RADIUS servers provide a centralized authentication method for 802 1X The default parameters are user defined
112. hat share a point to point link segment and to automatically configure both devices to take maximum advantage of their abilities Auto negotiation is performed totally within the physical layers during link initiation without any additional overhead to either the MAC or higher protocol layers Auto negotiation allows the ports to do the following m Advertise their abilities wm Acknowledge receipt and understanding of the common modes of operation that both devices share m Reject the use of operational modes that are not shared by both devices Configure each port for the highest level operational mode that both ports can support Automatic MAC Addresses Aging MAC addresses from which no traffic is received for a given period are aged out This prevents the Bridging Table from overflowing Back Pressure On half duplex links the receiver may employ back pressure i e occupy the link so it is unavailable for additional traffic to temporarily prevent the sender from transmitting additional traffic This is used to prevent buffer overflows Address Resolution Protocol ARP ARP converts between IP addresses and MAC i e hardware addresses ARP is used to locate the MAC address corresponding to a given IP address This allows the switch to use IP addresses for routing decisions and the corresponding MAC addresses to forward packets from one hop to the next Class Of Service CoS Provide traffic belon
113. he default polling interval is 60 sec The following table lists the user interface components with their corresponding numbers Table 6 Interface Components View Description 1 Tree View Tree View provides easy navigation through the configurable device features The main branches expand to display the sub features 2 Tab View The Tab Area enables navigation through the different device features Click the tabs to view all the components under a spe cific feature 2 Web Inet Provides access to online help and contains information about face Informa tion the Web Interface This section provides the following additional information m Device Representation Provides an explanation of the user interface buttons including both management buttons and task icons m Using the 3Com Web Interface Management Buttons Provides instructions for adding modifying and deleting configuration parameters Device Representation Using the 3Com Web Interface Management Buttons Understanding the 3Com Web Interface 35 The 3Com Web Interface Home Page contains a graphical panel representation of the device that appears within the Device View Tab To access the Device Representation Click Device Summary Device View Figure 9 Device Representation KS EO OU M Ern Gan Ed ESTE CM FE By selecting a specific port with your mouse you can view the port statistics
114. hich provides comprehensive network traffic monitoring capabilities as opposed to SNMP which allows network device management and monitoring RMON is a standard MIB that defines current and historical MAC layer statistics and control objects allowing real time information to be captured across the entire network Self Learning MAC Addresses The device enables automatic MAC address learning from incoming packets The MAC addresses are stored in the Bridging Table SNMP Alarms and Trap Logs The system logs events with severity codes and timestamps Events are sent as SNMP traps to a Trap Recipient List SNMP Versions 1 and 2 Simple Network Management Protocol SNMP over the UDP IP protocol controls access to the system Spanning Tree Protocol 802 1d Spanning tree is a standard Layer 2 switch requirement that allows bridges to automatically prevent and resolve L2 forwarding loops Switches exchange configuration messages using specifically formatted frames and selectively enable and disable forwarding on ports SSL Secure Socket Layer SSL is an application level protocol that enables secure transactions of data through privacy authentication and data integrity It relies upon certificates and public and private keys Static MAC Entries MAC entries can be manually entered in the Bridging Table as an alternative to learning them from incoming frames These user defined entries are not subject to aging
115. hosen management method See Methods of Managing a Switch on page 19 For more information about the CLI refer to 3Com CLI Reference Guide on page 227 If you do not intend to use the command line interface using the console port to manage the switch you can logout disconnect the serial cable and close the terminal emulator software Setting Up Web Interface Management 27 Setting Up Web Interface Management gt This section describes how you can set up web interface management over the network Prerequisites m Ensure you have already set up the switch with IP information as described in Methods of Managing a Switch on page 19 m Ensure that the switch is connected to the network using a Category 5 twisted pair Ethernet cable with RJ 45 connectors m Asuitable Web browser Choosing a Browser To display the web interface correctly use one of the following Web browser and platform combinations Table 4 Supported Web Browsers and Platforms Platform Browser Windows 2000 Windows XP Windows Vista Internet Explorer 6 Yes Yes Yes Internet Explorer 7 Yes Yes Yes Firefox 1 5 Yes Yes Yes Firefox 2 Yes Yes Yes Netscape 8 Yes Yes Yes For the browser to operate the web interface correctly JavaScript and Cascading Style Sheets must be enabled on your browser These features are enabled on a browser by default You will only need to enable them if you have changed your browser settings The swit
116. i The Reset Page contains the following fields m Reset the device by pressing the Reboot button Reboots the device wm Return the device to factory default by pressing the Initialize button Returns the device to factory defaults The possible values are a Initialize with Current IP Address Returns the device to factory defaults but maintains the current IP address a Initialize with Default IP Address Returns the device to factory defaults including the IP address 2 Define the fields 3 Click Reboot or lnitailize The device is reset CONFIGURING PORTS This section contains information for configuring Port Settings and includes the following sections m Viewing Port Settings m Defining Port Settings m Viewing Port Details Viewing Port Settings 99 The Port Administration Summary Page permits the network manager to view the current ports configuration When configuring the port speed and port Duplex mode please note the following Setting the port speed to 10 100 1000 and the Duplex mode to Half admin speed is 10 100 1000 half and no advertisement Setting the port speed to 10 100 1000 and the Duplex mode to Ful admin speed is 10 100 1000 full and no advertisement Setting the port speed to 10 100 1000 and the Duplex mode to Auto admin speed is Admin Advertisement 10 100 1000 full and half Setting the port speed to Auto and Duplex mode to Half Admin Advertisement 1
117. ia a Shutdown Drops packet that meets the ACL criteria and disables the port to which the packet was addressed Ports are reactivated from the Port Administration Setup Page To create a new MAC based ACL Select Create ACL 2 Enter the name of the new ACL 3 Click Create The new ACL is created and the device is updated kh W N a To define a new MAC based ACL rule Select Selection ACL Select the ACL from the list Define the fields for the new ACL rule Click Apply The new MAC based ACL rule settings are configured and the device is updated Defining Access Control Lists 67 Modifying MAC The MAC Based ACL Modify Page allows the network administrator to Based ACLs modify an existing MAC based ACL rule P Monitor users have no access to this page To modify a MAC based ACL rule 1 Click Device ACL MAC Based ACL Modify The MAC Based ACL Modify Page opens Figure 29 MAC Based ACL Modify Page Baseline Switch 2924 PWR Plus scom Device ACL gt MAC Based ACL Modify SCTEMECTNN Jl om cmn The MAC Based ACL Modify Page contains the following fields m Select ACL Selects the ACL to be modified m Select Rule Selects the rule to be modified for the selected ACL Modify m Priority Defines the rule priority which determines which rule is matched to a packet on a firstmatch basis m Source MAC Address Defines the source MAC address to
118. ing 5 3 Help 6 4 7 4 The CoS to Queue Summary Page contains the following fields m Class of Service Displays the CoS priority tag values where O is the lowest and 7 is the highest a Queue Indicates the traffic forwarding queue to which the CoS priority is mapped Four traffic priority queues are supported The CoS to Queue Setup Page contains fields for mapping CoS values to traffic queues Four traffic priority queues are supported on the device with 1 representing the lowest queue and four as the highest The highest priority queue functions with strict priority while queues 1 3 function with WRR priority with the following weights 1 2 and 10 respectively CoS 0 5 can t be assigned to queue 4 as it is dedicated to high priority traffic like voice and control messages The monitor user has no access to this page 166 CHAPTER 13 CONFIGURING QUALITY OF SERVICE To configure CoS values to queues 1 Click Device gt QoS gt CoS to Queue gt Setup The CoS to Queue Setup Page opens Figure 80 CoS to Queue Setup Page no NI Baseline Switch 2924 PWR Plus S V Device gt QoS gt CoS to Queue Setup SCOM querer o Device Summary Save Configuration Restore Defaults Administration gt Class of Service Queue Device 0 ha Port b 1 ha Security b 2 ES Monitoring F Ra Help 3 Pal 5 3g s rs 7 sl Note It is recommended to keep
119. ing state to Blocking state 150 CHAPTER 11 CONFIGURING SPANNING TREE Defining Spanning Network administrators can assign STP settings to specific interfaces Tree using the Spanning Tree Setup Page gt The monitor user has no access to this page To configure Spanning Tree Setup 1 Click Device gt Spanning Tree gt Setup The Spanning Tree Setup Page opens Figure 71 Spanning Tree Setup Page 3 Baseline Switch 2924 PWR Plus 3C om Device gt Spanning Tree Setup Eas Device Summary Save Connourabon Ciotat Settings Spanning Troe State Disable Spam BPOU Handing fing Path Cost Defaut Values Shoa z Securty Bridge Settings Monitoring Prnt 32768 Wale Hello Time See C Max Agu Sec Forward Delay Sec Designated Root Bridge Root Root Pon Root Path 9 Topology Changes Coums Last Topology Change The Spanning Tree Setup Page contains the following fields Global Settings Spanning Tree State Defines whether STP is enabled on the device The possible field values are a Disable Disables STP and RSTP on the device a Classic Enables STP on the device a RSTP Enables RSTP on the device 151 BPDU Handling Determines how BPDU packets are managed when STP is disabled on the port or device BPDUs are used to transmit spanning tree information The possible field values are a Filtering Filters BPDU packets when spanning tree is disabled on an interface Th
120. is 2600 Seconds 2 Define the fields 3 Click Apply The 802 1X Settings are enabled and the device is updated 62 CHAPTER 4 MANAGING DEVICE SECURITY Defining Access Control Lists Access Control Lists ACLs allow network managers to define classification actions and rules for specific ingress ports A network manager can configure an ACL on an ingress port so that packets are either admitted or denied entry The user can also specify that when packets are denied entry the ingress port is also disabled For example an ACL rule is defined stating that port number 20 can receive TCP packets however if a UDP packet is received the packet is dropped ACLs are composed of access control entries ACEs that are made of the filters that determine traffic classifications The following are examples of filters that can be defined as ACEs m Source Port IP Address and Wildcard Mask Filters the packets by the source port IP address and wildcard mask a Destination Port IP Address and Wildcard Mask Filters the packets by the destination port IP address and wildcard mask m ACE Priority Filters the packets by the ACE priority m Protocol Filters the packets by the IP protocol m DSCP Filters the packets by the DiffServ Code Point DSCP value m IP Precedence Filters the packets by the IP Precedence m Action Indicates the action assigned to the packet matching the ACL Packets are forwarded or dropped In
121. is configured manually the P address and mask are required to be on the same subnet as the gateway address and mask Example The following example displays an IP address configured manually ipSetup 161 71 34 120 255 255 255 0 The following example displays an IP address obtained via a DHCP server ipSetup DHCP Upgrade CLI Commands 233 The Upgrade command starts a system download and thereby allowing a system upgrade Syntax upgrade TFTP Server IP Address Destination File Name File Type Parameters a TFTP Server IP Address Defines the TFTP server s IP address a Source File Name Specifies the source file name a File Type Defines the file type to be downloaded The possible values are aruntime Downloads the runtime software application file abootcode Downloads the bootcode software file Default Configuration This command has no default configuration User Guidelines During the upgrade process a series of dots appear representing the upgrade process in the CLI interface When the upgrade process is completed the command prompt reappears The Dual Software Image feature is supported therefore the next boot after upgrade command will always use the newly downloaded image 234 APPENDIX E 3COM CLI REFERENCE GUIDE Initialize The Initialize command resets the device configuration to factory defaults including the IP configuration Syntax Initialize Default Co
122. is is the default value a Flooding Floods BPDU packets when spanning tree is disabled on an interface Path Cost Default Values Specifies the method used to assign default path cost to STP ports The possible field values are Short Specifies 1 through 65 535 range for port path cost This is the default value a Long Specifies 1 through 200 000 000 range for port path cost The default path cost assigned to an interface varies according to the selected method Hello Time Max Age or Forward Delay Bridge Settings Priority Specifies the bridge priority value When switches or bridges are running STP each is assigned a priority After exchanging BPDUS the device with the lowest priority value becomes the Root Bridge The field range is 0 61440 The default value is 32768 The port priority value is provided in increments of 4096 Hello Time Specifies the device Hello Time The Hello Time indicates the amount of time in seconds a Root Bridge waits between configuration messages The default is 2 seconds Max Age Specifies the device Maximum Age Time The Maximum Age Time is the amount of time in seconds a bridge waits before sending configuration messages The default Maximum Age Time is 20 seconds Forward Delay Specifies the device Forward Delay Time The Forward Delay Time is the amount of time in seconds a bridge remains in a listening and learning state before forwarding packets The defaul
123. isable Indicates that STP is currently disabled on the port The port forwards traffic while learning MAC addresses a Blocking Indicates that the port is currently blocked and cannot forward traffic or learn MAC addresses Blocking is displayed when Classic STP is enabled a Listening Indicates that the port is in Listening mode The port cannot forward traffic nor can it learn MAC addresses a Learning Indicates that the port is in Learning mode The port cannot forward traffic however it can learn new MAC addresses a Forwarding Indicates that the port is in Forwarding mode The port can forward traffic and learn new MAC addresses a Discarding Indicates that the port is in Discarding mode The port is listening to BPDUS and discards any other frames it receives Port Role Displays the port role assigned by the STP algorithm to provide to STP paths The possible field values are a Root Provides the lowest cost path to forward packets to the root switch a Designated The port or LAG through which the designated switch is attached to the LAN a Alternate Provides an alternate path to the root switch from the root interface Backup Provides a backup path to the designated port path toward the Spanning Tree leaves Backup ports occur only when two ports are connected in a loop by a Point to Point link or when a LAN has two or more connections connected to a shared segment Dis
124. it UM 7 iau Type Any cf wid Cort Mask Any Ew Ilse jo ce The P Based ACL Setup Page contains the following fields m Selection ACL Selects an existing IP based ACL to which rules are to be added m Create ACL Defines a new user defined IP based ACL Add Rules to ACL m Priority Defines the ACL priority ACLs are checked on the first fit basis The ACL priority defines the ACL order in the ACL list m Protocol Defines the protocol in the rule to which the packet is matched The possible fields are a Select from List Selects a protocol from a list by which packets are matched to the rule a Protocol ID Adds user defined protocols by which packets are matched to the rule Each protocol has a specific protocol number which is unique The possible field range is 0 255 74 CHAPTER 4 MANAGING DEVICE SECURITY Source Port Defines the source port that is used for matched packets Enabled only when TCP or UDP are selected in the Protocol list The field value is either user defined or Any If Any is selected the IP based ACL is applied to any source port Destination Port Defines the destination port that is used for matched packets Enabled only when TCP or UDP are selected in the Protocol list The field value is either user defined or Any If Any is selected the IP based ACL is applied to any destination port TCP Flags If checked enables configuration
125. ld range to detect jabbers is between 20 ms and 150 ms Collisions Displays the number of collisions received on the interface since the device was last refreshed Frames of 64 Bytes Displays the number of 64 byte frames received on the interface since the device was last refreshed Frames of 65 to 127 Bytes Displays the number of 65 to 127 byte frames received on the interface since the device was last refreshed 203 m Frames of 128 to 255 Bytes Displays the number of 128 to 255 byte frames received on the interface since the device was last refreshed m Frames of 256 to 511 Bytes Displays the number of 256 to 511 byte frames received on the interface since the device was last refreshed m Frames of 512 to 1023 Bytes Displays the number of 512 to 1023 byte frames received on the interface since the device was last refreshed m Frames of 1024 to 9216 Bytes Displays the number of 7024 to 9216 byte frames received on the interface since the device was last refreshed 2 Select a port The port statistics are displayed 3 Click Clear All Counters The port statistics counters are cleared and the new statistics are displayed 18 MANAGING DEVICE DIAGNOSTICS This section contains information for viewing and configuring port and cable diagnostics and includes the following topics Configuring Port Mirroring m Viewing Cable Diagnostics Configuring Port Mirroring 205 Configuring Port
126. lect the Minur Port to remove Monter Merey in Mirer Out fi 23 3 Administ obon Device gt Port Secunty Monitoring Help Semon eet The Port Mirroring Remove Page contains the following fields a Monitor Displays the monitor port a Mirror In Displays ports that are monitored on the RX a Mirror Out Displays ports that are monitored on the TX 2 Select the ports to be removed 3 Click Remove Port mirroring is removed and the device is updated Viewing Cable Diagnostics 209 Viewing Cable The Cable Diagnostics Summary Page contains fields for viewing tests on Diagnostics copper cables Cable testing provides information about where errors occurred in the cable the last time a cable test was performed and the type of cable error which occurred The tests use Time Domain Reflectometry TDR technology to test the quality and characteristics of a copper cable attached to a port P The monitor users have limited access to this page To view cables diagnostics 1 Click Monitoring Cable Diagnostics Summary The Cable Diagnostics Summary Page opens Figure 103 Cable Diagnostics Summary Page gt Baseline Switch 2924 PWR Plus 7 Monitoring gt Cable Diagnostics Summary summe MEITTIN EE 3com Feature Summary Ports Test Result Cable Fault Distance Last Update The Cable Diagnostics S
127. les the routing functions for data moving from one open system to another Aggregates ports or VLANs into a single virtual port or VLAN See Port Trunk An acronym for Management Information Base It is a set of database objects that contains information about a specific device An algorithm that is used to create digital signatures It is intended for use with 32 bit machines and is safer than the MD4 algorithm which has been broken MD5 is a one way hash function meaning that it takes a message and converts it into a fixed string of digits also called a message digest Multicast Switching Out of Band Management Port Authentication Port Mirroring Port Trunk Power over Ethernet PoE Private VLANs Protected Extensible Authentication Protocol PEAP 241 A process whereby the switch filters incoming multicast frames for services for which no attached host has registered or forwards them to all ports contained within the designated multicast VLAN group Management of the network from a station not attached to the network See IEEE 802 1X A method whereby data on a target port is mirrored to a monitor port for troubleshooting with a logic analyzer or RMON probe This allows data on the target port to be studied unobstructively Defines a network link aggregation and trunking method which specifies how to create a single high speed logical link that combines several lower speed physical links Power ove
128. link aggregation port groups The LACP Summary Page contains fields for viewing Link Aggregation Group Protocol LACP LAGs To view LACP for LAGs 1 Click Port LACP Summary The LACP Summary Page opens Figure 51 LACP Summary Page x Baseline Switch 2924 PWR Plus m Port LACP Summary 3co See MEMECTCNNEN qdgadadqdasdagadaquadgadguade The LACP Summary Page contains the following fields m Port Displays the port number to which timeout and priority values are assigned m Port Priority Displays the LACP priority value for the port The default is 7 The field range is 1 655535 m LACP Timeout Displays the administrative LACP timeout The possible field values are a Long Specifies the long timeout value This is the default a Short Specifies the short timeout value 114 CHAPTER 7 AGGREGATING PORTS Modifying LACP LAG ports can contain different media types if the ports are operating at the same speed Aggregated links can be set up manually or automatically established by enabling LACP on the relevant links Aggregate ports can be linked into link aggregation port groups The LACP Modify Page contains fields for modifying LACP LAGs To modify LACP for LAGs 1 Click Port LACP Modify The LACP Modify Page opens Figure 52 LACP Modify Page 3 Baseline Switch 2924 PWR Plus acom Port LACP Modify SELZZEN 0 E Device Summary Save Con
129. m Device Spanning Tree Summary p Summary Device Summary Save Configuration Note Global Seting of Spanning Tree State is daatied Bly gt FS SISS B ele E Is gt oi Fa BS be bod bd bd ba bd bd db Bd The Spanning Tree Summary Page contains the following fields m Port Indicates the interface for which the information is displayed m STP Indicates if STP is enabled on the port The possible field values are a Enable Indicates that STP is enabled on the port a Disable Indicates that STP is disabled on the port m Port Fast Indicates if Fast Link is enabled on the port If Fast Link mode is enabled for a port the port is automatically placed in the Forwarding state when the port link is up Fast Link optimizes the STP protocol convergence STP convergence takes 30 seconds and is not dependent on the number of switches in the network 148 CHAPTER 11 CONFIGURING SPANNING TREE Root Guard Indicates if the interface is acting as the root port of the switch The possible field values are a Enable Indicates Root Guard is enabled on the port Disable Indicates Root Guard is disabled on the port Port State Displays the current STP state of a port If enabled the port state determines what action is taken on traffic Possible port states are a D
130. m State Indicates the inline power source status The possible field values are a On Indicates that the power supply unit is functioning Off Indicates that the power supply unit is not functioning a Faulty Indicates that the power supply unit is functioning but an error has occurred For example a power overload or a short Circuit m Power Max watts Indicates the maximum amount of power the device can supply The field value is displayed in Watts 192 CHAPTER 15 MANAGING POWER OVER ETHERNET DEVICES Power Used watts Indicates the actual amount of power currently used by the device The field value is displayed in Watts Power Free watts Displays the amount of additional power currently available to the device The field value is displayed in Watts Select Port Selects the ports to view PoE settings The selected ports are color coded as follows a Green Indicates the device is delivering power to the port a White Indicates the port is enabled for power delivery a Light Gray Indicates the port is disabled for power delivery a Dark Gray Indicates the port does not support PoE a Red Indicates a power fault Ports Power Display Port Indicates the port number State Indicates if the port is enabled to deliver power to powered devices The possible field values are a Enabled Indicates the device is delivering power This is the default a Disabled
131. m com Contract requests emea contract 3com com Latin America Telephone Technical Support and Repair Antigua Argentina Aruba Bahamas Barbados Belize Bermuda Bonaire Brazil Cayman Chile Colombia Costa Rica Curacao Ecuador Dominican Republic You can also obtain support in this region in the following ways 1 800 988 2112 0 810 444 3COM 1 800 998 2112 1 800 998 2112 1 800 998 2112 52 5 201 0010 1 800 998 2112 1 800 998 2112 0800 13 3COM 1 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 1 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 Guatemala Haiti Honduras Jamaica Martinique Mexico Nicaragua Panama Paraguay Peru Puerto Rico Salvador Trinidad and Tobago Uruguay Venezuela Virgin Islands wm Spanish speakers enter the URL http lat 3com com lat support form html m Portuguese speakers enter the URL http lat 3com com br support form html m English speakers in Latin America send e mail to lat support anc83com com AT amp T 800 998 2112 57 1 657 0888 AT amp T 800 998 2112 1 800 998 2112 571 657 0888 01 800 849CARE AT amp T 800 998 2112 AT amp T 800 998 2112 54 11 4894 1888 AT amp T 800 998 2112 1 800 998 2112 AT amp T 800 998 2112 1 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 57 1 657 0888 US and Canada Telephone Technical Support and Repair 1 800 876 3266 REGULATORY NOTICES
132. manage the device If you cannot connect using Telnet or the web the maximum number of connections may already be open Please try again at a later time No response from the terminal emulation software Faulty serial cable Incorrect serial cable Software settings Replace the serial cable Replace serial cable for a pin to pin straight flat cable Reconfigure the emulation software connection settings Response from the terminal emulations software is not readable Faulty serial cable Software settings Replace the serial cable Reconfigure the emulation software connection settings Self test exceeds 15 seconds The device may not be correctly installed Remove and reinstall the device If that does not help consult your technical support representative No connection is established and the port LED is on Wrong network address in the workstation No network address set Wrong or missing protocol Faulty ethernet cable Faulty port Faulty module Incorrect initial configuration Configure the network address in the workstation Configure the network address in the workstation Configure the workstation with IP protocol Replace the cable Replace the module Replace the module Erase the connection and reconfigure the port Device is in a reboot loop Software fault Download and install a working or previous software version from the console 226 APPENDIX D TROU
133. mple 3 5 12 Create Device Port Secwity Monitoring Helo Recame VLAN note you can do this later on the VLAN Modify page Highlight from the kst above to renaene Mame van Rename The VLAN Setup Page contains the following fields Create m VLAN IDs Defines the VLAN ID s to create m Create Creates the VLAN ID s a ID Displays the VLAN ID a Name Displays the user defined VLAN name 120 CHAPTER 8 CONFIGURING VLANS Rename VLAN a ID Displays the VLAN ID selected from the above list m Name Defines the new VLAN name a Rename Renames the user defined VLAN name 2 Enter the VLAN ID number s 3 Click GrBalB The VLAN s are created and the device is updated To rename a VLAN Highlight a VLAN to be renamed from the VLAN list 2 Enter the new name for the VLAN 3 Click Rename The VLAN is renamed and the device is updated Modifying VLAN Settings P 121 The Modify VLAN Page allows the network manager to rename VLANs and change VLAN membership The monitor users have no access to this page To edit VLAN Settings Click Device VLAN Modify VLAN The Modify VLAN Page opens Figure 56 Modify VLAN Page ce Baseline Switch 2924 PWR Plus Device VLAN Modify VLAN 3com Device Sunenary Save Configuration Select a VLAN to maddy Resame ostonal gt fr o faniore Rename Denice Pon Select membership type Nos c B o
134. n regardless of the port state This section includes the following topics Viewing 802 1X Authentication Defining 802 1X Authentication 58 CHAPTER 4 MANAGING DEVICE SECURITY Viewing 802 1X The 802 1X Summary Page allows the network administrator to view Authentication port based authentication settings To view Port based Authentication 1 Click Security gt 802 1X gt Summary The 802 1X Summary Page opens Figure 25 802 1X Summary Page P Baseline Switch 2924 PWR Plus GT Security gt 802 1x Summary 3com Device Summary T Soro Configauten pon Wer Admin Curent Guest Periodic Reauthwrtication Authenticator Termination Name Port Control Port Control VLAN Reauthentication Period State Cause nns gt Aso Authonsed Creable Disable 3600 Device i Port Aio 3600 Security x puto 3600 Bep 4 Aute 3600 a i i Trace The 802 1X Summary Page contains the following fields m Port Displays a list of interfaces m User Name Displays the supplicant user name m Admin Port Control Displays the admin port authorization state a ForceUnauthorized Indicates that no client has access to the port even if it has 802 1X credentials and supports 802 1X authorization or the port control is Auto but a client has not been authenticated via the port a ForceAuthorized Indicates tha
135. nctioning 0 Alert 1 The system needs immediate attention Critical 2 The system is in a critical state Error 3 A system error has occurred Warning 4 A system warning has occurred Notice 5 The system is functioning properly but a system notice has occurred Informational 6 Provides device information Debug 7 Provides detailed information about the log If a Debug error occurs contact Customer Tech Support This section includes the following topics m Viewing Logs wm Configuring Logging 196 CHAPTER 16 MANAGING SYSTEM LOGS Viewing Logs b The Logging Display Page contains all system logs in a chronological order that are saved in RAM Cache The monitor user has read only access to this feature To view Logging Click Administration Logging Display The Logging Display Page opens Figure 98 Logging Display Page ji Baseline Switch 2924 PWR Plus Administration gt Logging Display scom Device Summary Save Confquration Mdmistragdon Device r P MTTPS E GETDATEFROMSYS WARNING The i mosied tince date can not be taken from the system so will be set to 1 1 1970 n TTP MITPS E DUAGNOSTICS ERROR in RL wRepeat syntax iror in calculating expression Fiter PROP orsModuleNumbers 1 amp 8 Seo ifOperStituts6 vt name S TPP en Tabla Monitoring v TTP HTTPS COUGHOSTICS ERROR in I pist yntax error in calculating expression Fiter meio MPDP eA MAsduiel lumber
136. ndicates the source MAC address a Source Mask Indicates the source MAC address Mask m Destination Address Indicates the destination MAC address m Destination Mask Indicates the destination MAC address Mask a VLAN ID Matches the packet s VLAN ID to the ACL rule The possible field values are 7 to 4095 m CoS Classifies traffic based on the CoS tag value a CoS Mask Displays the CoS mask used to filter CoS tags 64 CHAPTER 4 MANAGING DEVICE SECURITY Configuring MAC Based ACLs b m Ethertype Provides an identifier that differentiates between various types of protocols m Action Indicates the ACL forwarding action In addition the port can be shut down a trap can be sent to the network administrator or packet is assigned rate limiting restrictions for forwarding The options are as follows a Permit Forwards packets which meet the ACL criteria a Deny Drops packets which meet the ACL criteria a Shutdown Drops packet that meets the ACL criteria and disables the port to which the packet was addressed Ports are reactivated from the Port Administration Setup Page The MAC Based ACL Setup Page allows the network administrator to create and define rules for MAC based ACLs Monitor users have no access to this page To configure MAC based ACLs Click Device ACL MAC Based ACL Setup The MAC Based ACL Setup Page opens Figure 28 MAC Based ACL Setup Page C Baseli
137. ne Switch 2924 PWR Plus Device ACL gt MAC Based ACL Setup SCOM a o Compre TE como Creato e e CA ef o Ca RH Ethetype Acton Pe sx nm The MAC Based ACL Setup Page contains the following fields Defining Access Control Lists 65 Selection ACL Selects an existing MAC based ACL to which rules are to be added Create ACL Defines a new user defined MAC based Access Control List Add Rules to ACL Priority Sets the rule priority which determines which rule is matched to a packet on a first match basis The possible field values are 1 2147483647 Source MAC Address Matches the source MAC address to which packets are addressed to the rule Source Mask Defines the source MAC Address wildcard mask Wildcards are used to mask all or part of a source MAC address Wildcard masks specify which bits are used and which are ignored A wildcard mask of FF FF FF FF FF FF indicates that no bit is important A wildcard of 00 00 00 00 00 00 00 indicates that all bits are important For example if the source MAC address is 00 AB 22 11 33 00 and the wildcard mask is 00 00 00 00 00 FF the first five bytes of the MAC are used while the last byte is ignored For the source MAC address 00 AB 22 11 33 00 this wildcard mask matches all MAC addresses in the range 00 AB 22 11 33 00 to 00 AB 22 11 33 FF Destination MAC Address Mat
138. nfiguration This command has no default configuration User Guidelines The system prompts for confirmation of the request If no response is entered within 15 seconds timeout occurs and the command is not executed Example Select menu option initialize WARNING This command initializes the system to factory defaults and causes a reset Do you wish to continue Y N N N Select menu options CLI Commands 235 Reboot The Reboot command simulates a power cycle of the device Syntax reboot Default Configuration This command has no default configuration User Guidelines There are no user guidelines for this command Example Select menu option reboot Are you sure you want to reboot the system yes no no no Select menu option 236 APPENDIX E 3COM CLI REFERENCE GUIDE Logout The Logout command terminates the CLI session Syntax logout Default Configuration This command has no default configuration User Guidelines There are no user guidelines for this command Example Select menu option logout exiting session Username Password CLI Commands 237 The Password command changes the user s password Syntax password Default Configuration This command has no default configuration User Guidelines The user needs to login to the session in order to change the password Example Select menu option password Change password for user
139. nfigure the System Time 1 Click Administration System Time Setup The System Time Setup Page opens Figure 41 System Time Setup Page x5 Baseline Switch 2924 PWR Plus F V Administration gt System Time Setup Sep e Summa co s m em The System Time Setup Page contains the following fields Local Settings m Hours Sets the hour The field range is 0 23 a Minutes Sets the minutes The field range is 0 59 m Seconds Sets the seconds The field range is 0 59 Month Sets the month The field range is 7 72 a Day Sets the day The field range is 7 37 m Year Sets the year The field range is 2000 2037 94 CHAPTER 5 MANAGING SYSTEM INFORMATION Daylight Saving Enables setting automatic Daylight Savings Time DST on the device either on a non recurring or recurring basis In the non recurring case DST is configured to apply to one specific period of time only defined by specifying the begin and end times months days and years Non recurring settings need to be changed every year In the recurring case the year is not specified so that the time and date settings apply to every year The possible field values are a USA The device switches to DST at 2 00 a m from the second Sunday in March and reverts to standard time at 2 00 a m on the first Sunday of November a European The device switches to DST at 1 00 am on the last Sunday in March and rever
140. ng bits Received Packets Displays the number of packets received on the interface including bad packets Multicast and broadcast packets since the device was last refreshed Broadcast Packets Received Displays the number of good broadcast packets received on the interface since the device was last refreshed This number does not include Multicast packets Multicast Packets Received Displays the number of good Multicast packets received on the interface since the device was last refreshed CRC amp Align Errors Displays the number of CRC and Align errors that have occurred on the interface since the device was last refreshed Undersize Packets Displays the number of undersized packets less than 64 octets received on the interface since the device was last refreshed Oversize Packets Displays the number of oversized packets over 9216 octets received on the interface since the device was last refreshed Fragments Displays the number of fragments packets with less than 64 octets excluding framing bits but including FCS octets received on the interface since the device was last refreshed Jabbers Displays the total number of received packets that were longer than 9216 octets This number excludes frame bits but includes FCS octets that had either a bad Frame Check Sequence FCS with an integral number of octets FCS Error or a bad FCS with a non integral octet Alignment Error number The fie
141. ni di sicurezza riportate 3Com Switch Family Safety and Regulatory Information OSTRZEZENIE Informacje o zabezpieczeniach Przed instalacja lub usunieciem jakichkolwiek element w z product lub przeprowadzeniem prac konserwacyjnych nalezy zapoznac sie z informacjami o bezpieczenstwie zawartymi w 3Com Switch Family Safety and Regulatory Information CAUTION Opening the switch or tampering with the warranty sticker can void your warranty Setting Up for Management 19 Setting Up for To make full use of the features offered by your switch and to change Management and monitor the way it works you have to access the management software that resides on the switch This is known as managing the switch Managing the switch can help you to improve the efficiency of the switch and therefore the overall performance of your network This section explains the initial set up of the switch and the different methods of accessing the management software to manage a switch It covers the following topics m Methods of Managing a Switch m Switch Setup Overview a Manually set the IP Address using the Console Port m Viewing IP Information using the Console Port m Setting Up Web Interface Management m Setting Up SNMP Management V1 or V2 m Default Users and Passwords Methods of To manage your switch you can use one of the following methods Managing a Switch Web Interface Management Web Interface Management m SNMP Management In addition
142. nities Remove Page contains the following fields m Checkbox unnamed When checked selects an SNMP community for removal The top checkbox is used to select all SNMP communities for removal a Management Station Displays the management station IP address for which the SNMP community is defined a Community String Displays the user defined text string which authenticates the management station to the device 159 m Access Mode Displays the access rights of the community The possible field values are a Read Only Management access is restricted to read only and changes cannot be made to the community a Read Write Management access is read write and changes can be made to the device configuration but not to the community 2 For each SNMP Community to be removed check the box to the left of Defining SNMP Traps b the row in the table To remove all SNMP Communities the topmost box may be checked Click Remove The SNMP Communities are removed and the device is updated The SNMP Traps Setup Page contains information for defining filters that determine whether traps are sent to specific users and the trap type sent Monitor users have no access to this page To define SNMP traps Click Administration SNMP Traps The SNMP Traps Setup Page opens Figure 75 SNMP Traps Setup Page C24 Baseline Switch 2924 PWR Plus a Administration gt SNMP gt Traps Setup 3com D
143. o display their settings Configuring Address Tables 135 State Filters the list of MAC addresses displayed according to the type of MAC address configuration Possible values are All Displays all MAC addresses assigned to the port a Static Displays static MAC addresses assigned to the port a Dynamic Displays dynamic MAC addresses assigned to the port MAC Address Displays MAC addresses currently listed in the MAC address table filtered by the selected value of the State field VLAN ID Displays the VLAN ID associated with the port and MAC address State Displays the MAC address configuration method Possible values are a Config Static Indicates the MAC address is statically configured a Config Dynamic Indicates the MAC address is dynamically configured Port Index Indicates the port through which the address was learned Aging Time Indicates the amount of time the MAC address remains in the Dynamic Address table before it is timed out if no traffic from the source is detected The default value is 300 seconds 136 CHAPTER 9 CONFIGURING IP AND MAC ADDRESS INFORMATION Adding MAC The Address Table Add Page allows the network manager to assign MAC Addresses to the addresses to ports with VLANs Address Table The monitor users have no access to this page To add MAC addresses to the Address Table 1 Click Monitoring gt Address Table gt Add The Address Table Add Page
144. ocate IP information or m flexibility is needed If the switch is deployed onto a different subnet it will automatically reconfigure itself with an appropriate IP address instead of you having to manually reconfigure the switch If you use the automatic IP configuration method you need to discover the automatically allocated IP information before you can begin management Work through the Viewing IP Information using the Console Port on page 25 Manual IP Configuration When you configure the IP information manually the switch remembers the information that you enter until you change it again You should use the Manual IP configuration method if m You do not have a DHCP server on your network or m You want to remove the risk of the IP address ever changing or gt Using the Command Line Interface CLI 23 m Your DHCP server does not allow you to allocate static IP addresses Static IP addresses are necessary to ensure that the switch is always allocated the same IP information For most installations 3Com recommends that you configure the switch IP information manually This makes management simpler and more reliable as it is not dependent on a DHCP server and eliminates the risk of the IP address changing To manually enter IP information for your switch work through the Manually set the IP Address using the Console Port on page 24 Using the Command Line Interface CLI pb Connecting to the Console P
145. of TCP flags matched to the packet The possible fields are Urg Urgent pointer field significant The urgent pointer points to the sequence number of the octet following the urgent data Ack Acknowledgement field significant The acknowledgement field is the byte number of the next byte that the sender expects to receive from the receiver Psh Push send the data as soon as possible without buffering This is used for interactive traffic Rst Reset the connection This invalidates the sequence numbers and aborts the session between the sender and receiver Syn Synchronize Initial Sequence Numbers ISNs This is used to initialize a new connection Fin Finish This indicates there is no more data from the sender This marks a normal closing of the session between the sender and receiver For each TCP flag the possible field values are Set Enables the TCP flag Unset Disables the TCP flag Don t Care Does not check the packet s TCP flag ICMP If checked enables filtering ICMP packets for an ICMP message type The possible values are Select from List Selects an ICMP message type from a list ICMP Type Specifies an ICMP message type Any Does not filter for an ICMP message type Defining Access Control Lists 75 ICMP Code If checked enables specifying an ICMP message code for filtering ICMP packets ICMP packets that are filtered by ICMP message type can also be fil
146. onfigured MAC addresses Dynamic Displays the dynamically configured MAC addresses a MAC Address Displays the current MAC addresses listed in the MAC address table filtered by the selected value of the State field a VLAN ID Displays the VLAN ID associated with the port and MAC address 134 CHAPTER 9 CONFIGURING IP AND MAC ADDRESS INFORMATION m State Displays the MAC address configuration method Possible values are Config Static Indicates the MAC address is statically configured a Config Dynamic Indicates the MAC address is dynamically configured m Port Index Indicates the port through which the address was learned a Aging Time Indicates the amount of time the MAC address remains in the MAC address table before it is timed out if no traffic from the source is detected The default value is 300 seconds Viewing Port The Port Summary Page allows the user to view the MAC addresses Summary Settings assigned to specific ports To view Port Summary settings 1 Click Monitoring Address Table Port Summary The Port Summary Page opens Figure 64 Port Summary Page m Baseline Switch 2924 PWR Plus Monitoring gt Address Table Port Summary 3com SIT Port Summary Aas Setup Pet Rane Rame ielect a Port T D Device Summary Save Configuration Back Next The Port Summary Page contains the following fields m Select a Port Selects ports t
147. ons are as follows a Permit Forwards packets which meet the ACL criteria a Deny Drops packets which meet the ACL criteria a Shutdown Drops packet that meets the ACL criteria and disables the port to which the packet was addressed Ports are reactivated from the Port Administration Setup Page Access Control Lists ACL allow network managers to define classification actions and rules for specific ingress ports Your switch supports up to 256 ACLs Packets entering an ingress port with an active ACL are either admitted or denied entry If they are denied entry the user can disable the port ACLs are composed of access control entries ACEs that are made of the filters that determine traffic classifications The total number of ACEs that can be defined in all ACLs together is 256 Defining Access Control Lists 73 Monitor users have no access to this page To configure IP based ACLs Click Device ACL IP Based ACL Setup The P Based ACL Setup Page opens Figure 32 IP Based ACL Setup Page 3 Baseline Switch 2924 PWR Plus ac om V Device ACL gt IP Based ACL Setup Setup eec Selection ACL ACL S C Create ACL Create Add Rules to ACL Poot a Protocol Select tom Lint EMP Paaa Source Pet e R hey Destnzton Pon cR eo Up 5872 aa 587772 pen 59872 ns 592 sym Fe re 598 321 Wer Any Select tom Lat ES 79 ica type f Select bem L
148. ontains the following fields m Clear ARP Table Entries Specifies the types of ARP entries that are cleared The possible values are a None Maintains the ARP entries a Al Clears all ARP entries a Dynamic Clears only dynamic ARP entries a Static Clears only static ARP entries m Checkbox unnamed Selects the ARP entry for removal m Interface Indicates the VLAN for which ARP parameters are defined m IP Address Indicates the station IP address which is associated with the MAC address Configuring ARP Settings 131 a MAC Address Displays the station MAC address which is associated in the ARP table with the IP address m Status Displays the ARP table entry type Possible field values are a Dynamic Indicates the ARP entry is learned dynamically Static Indicates the ARP entry is a static entry 2 Foreach ARP entry to be removed check the box to the left of the row in the table To remove all ARP entries the topmost box may be checked 3 Click Remove The ARP table entries are removed and the device is updated 132 CHAPTER 9 CONFIGURING IP AND MAC ADDRESS INFORMATION Configuring Address Tables MAC addresses are stored in either the Static Address or the Dynamic Address databases A packet addressed to a destination stored in one of the databases is forwarded immediately to the port The Dynamic Address Table can be sorted by interface VLAN and MAC address MAC add
149. oops occur when alternate routes exist between hosts Loops in an extended network can cause bridges to forward traffic indefinitely resulting in increased traffic and reducing network efficiency While Classic STP prevents Layer 2 forwarding loops in a general network topology convergence can take between 30 60 seconds Rapid Spanning Tree Protocol RSTP detects and uses network topologies that allow a faster STP convergence without creating forwarding loops The device supports the following STP versions m Classic STP Provides a single path between end stations avoiding and eliminating loops m Rapid STP Detects and uses network topologies that provide faster convergence of the spanning tree without creating forwarding loops While Classic STP prevents Layer 2 forwarding loops in a general network topology convergence can take between 30 60 seconds Rapid Spanning Tree Protocol RSTP detects and uses network topologies that allow a faster STP convergence without creating forwarding loops This section contains the following topics m Viewing Spanning Tree wm Defining Spanning Tree a Modifying Spanning Tree 147 Viewing Spanning The Spanning Tree Summary Page displays the current Spanning Tree Tree parameters for all ports To view Spanning Tree Summary 1 Click Device gt Spanning Tree gt Summary The Spanning Tree Summary Page opens Figure 70 Spanning Tree Summary Page Ge Baseline Switch 2924 PWR Plus 3co
150. ootcode filename The bootcode firmware may not require upgrading for every software upgrade therefore there may not be a new bootcode file to download To set the switch to boot from the new software you have downloaded enter the following reboot The following prompt displays Are you sure you want to reboot the system yes no Enter yes and press Return The system reboots the switch USING THE 3COM WEB INTERFACE This section provides an introduction to the user interface and includes the following topics Starting the 3Com Web Interface Understanding the 3Com Web Interface Saving the Configuration Resetting the Device Restoring Factory Defaults Logging Off the Device Starting the 3Com Web Interface 31 Starting the 3Com This section includes the following topics Web Interface m Multi Session Web Connections m Accessing the 3Com Web Interface Multi Session Web The Multi Session web connections feature enables 10 users to be Connections created and access the switch concurrently Access levels provide read or read write permissions to users for configuring the switch Users and access levels are described in Configuring System Access Login information is always handled in the local database A unique password is required of each user Two access levels exist on the 3Com Web Interface a Management access level Provides the user with read write access There is always one management level user configured
151. orm a single LAG A Link Aggregation Group LAG aggregates ports or VLANs into a single virtual port or VLAN Aggregating ports multiplies the bandwidth between the devices increases port flexibility and provides link redundancy Ensure the following All ports within a LAG must be the same media type All ports added to an existing LAG which are part of a tagged VLAN inherit the existing VLAN tags Auto negotiation mode is not configured on the port The port is in full duplex mode All ports in the LAG have the same ingress filtering and tagged modes All ports in the LAG have the same back pressure and flow control modes All ports in the LAG have the same priority All ports in the LAG have the same transceiver type The device supports up to eight LAGs and eight ports in each LAG Ports added to a LAG lose their individual port configuration When ports are removed from the LAG the original port configuration is applied to the ports This section contains the following topics Viewing Link Aggregation Configuring Link Aggregation Modifying Link Aggregation Removing Link Aggregation Viewing LACP Modifying LACP Viewing Link Aggregation Configuring Link Aggregation 107 The Link Aggregation Summary Page displays port usage by linking a group of ports together to form a single LAG Aggregating ports multiplies the bandwidth between the devices increases port flexibility and provides link redundancy To view
152. ort p You can access the switch through the Console port to manually set the IP address or to view the IP address that was assigned automatically for example by a DHCP server For more information about the CLI refer to 3Com CLI Reference Guide on page 227 This section describes how to connect to your switch through the Console port Prerequisites m A workstation with terminal emulation software installed such as Microsoft Hyperterminal This software allows you to communicate with the switch using the console port directly m Documentation supplied with the terminal emulation software m The console cable RJ 45 supplied with your switch You can find pin out diagrams for the cable in Appendix C on page 221 24 CHAPTER 1 GETTING STARTED Manually set the IP Address using the Console Port Connecting the Workstation to the Switch Connect the workstation to the console port using the console cable as shown in Figure 5 Figure 5 Connecting a Workstation to the Switch using the Console Port Workstation with terminal emulation Switch software installed E ELELLHELLELHE TT E SS Console Port E Connection RT Console Cable 4 i v To connect the cable a Attach the cable s RJ 45 connector to the Console port of the switch b Attach the other end of the cable to the workstation Open your terminal emulation software and configure the COM port settings to which y
153. ort settings Click Device gt QoS gt VoIP Traffic Setting gt Port Setup The Voice VLAN Port Setup Page opens Figure 88 Voice VLAN Port Setup Page x2 Baseline Switch 2924 PWR Plus Device gt QoS gt VoIP Traffic Setting Port Setup 3COM Voice VLAN Port Settings PAA Oe CS 89 688362 erc ca ec a CD E B E ERR CETT ale Apply Cancel 178 CHAPTER 13 CONFIGURING QUALITY OF SERVICE The Voice VLAN Port Setup Page contains the following fields m Voice VLAN Port Mode Specifies the Voice VLAN mode The possible field values are No Changes Maintains the current Voice VLAN port LAG settings This is the default value None Indicates that the selected port LAG will not be added to a Voice VLAN Manual Adding a selected port LAG to a Voice VLAN Auto Indicates that if traffic with an IP Phone MAC Address is transmitted on the port LAG the port LAG joins the Voice VLAN The port LAG is aged out of the voice VLAN if the IP phone s MAC address with an OUI prefix is aged out and exceeds the defined voice VLAN aging time If the MAC Address of the IP phones OUI was added manually to a port LAG in the Voice VLAN the user cannot add it to the Voice VLAN in Auto mode only in Manual mode m Voice VLAN Port Security Specifies if port security is enabled on the Voice VLAN Port security ensures that packets arriving with an unrecognized MAC address are dropped Port Sec
154. ou have connected the cable The settings must be set to match the default settings for the switch which are m 38 400 baud bits per second m 8 data bits m no parity m 1 stop bit m no hardware flow control Refer to the documentation that accompanies the terminal emulation software for more information Power up the switch The Power on Self Test POST will be performed The Switch 2924 PWR takes approximately one minute to boot You are now ready to manually set up the switch with IP information using the command line interface You need to have the following information IP address subnet mask a default gateway Viewing IP Information using the Console Port Using the Command Line Interface CLI 25 Connect to the switch Console port as described in Connecting to the Console Port page 23 The command line interface login sequence begins as soon as the switch detects a connection to its console port When the process completes the Login prompt displays At the login prompt enter admin as your user name and press Return The Password prompt displays Press Return If you have logged on correctly Select menu option should be displayed Enter the IP address and subnet mask for the switch as follows ipSetup xxx xxx xxx xxx mmm mmm mmm mmm ggg ggg ggg gggg and press Enter Note xx xxx xxx xxx is the IP address mmm mmm mmm mmrm is the subnet mask and ggg ggg ggg ggqg is the default gateway of the s
155. ove The selected ACLs are removed and the device is updated 86 CHAPTER 4 MANAGING DEVICE SECURITY Enabling Broadcast Storm Broadcast Storm limits the amount of Multicast and Broadcast frames accepted and forwarded by the device When Layer 2 frames are forwarded Broadcast and Multicast frames are flooded to all ports on the relevant VLAN This occupies bandwidth and loads all nodes on all ports A Broadcast Storm is a result of an excessive amount of broadcast messages simultaneously transmitted across a network by a single port Forwarded message responses are heaped onto the network straining network resources or causing the network to time out Broadcast Storm is enabled for all Gigabit ports by defining the packet type and the rate the packets are transmitted The system measures the incoming Broadcast and Multicast frame rates separately on each port and discards the frames when the rate exceeds a user defined rate Packet threshold is ignored if Broadcast Storm Control is Disabled Enabling Broadcast Storm 87 P Monitor users have no access to this page To define Broadcast Storm Traffic 1 Click Device Broadcast Storm Setup The Broadcast Storm Setup Page opens Figure 38 Broadcast Storm Setup Page G2 Baseline Switch 2924 PWR Plus Device gt Broadcast Storm Setup 3com ier tup D P 3500 cee Apply Cancel The Broadcast Storm Setup Page contains the following fields wm Broadc
156. pens Figure 83 Trust Setup Page x Baseline Switch 2924 PWR Plus S Device QoS gt Trust Setup 3com 1 The Trust Setup Page contains the following fields Trust Mode Specifies which packet fields to use for classifying packets entering the device When no rules are defined the traffic containing the predefined packet CoS field is mapped according to the relevant trust modes table Traffic not containing a predefined packet field is mapped to best effort The possible Trust Mode field values are CoS Classifies traffic based on the CoS tag value DSCP Classifies traffic based on the DSCP tag value 2 Define the fields 3 Click Apply The selected Trust mode is enabled on the device 170 CHAPTER 13 CONFIGURING QUALITY OF SERVICE Viewing Bandwidth The Bandwidth Summary Page displays bandwidth settings for a specified Settings interface To view Bandwidth Settings 1 Click Device QoS Bandwidth Summary The Bandwidth Summary Page opens Figure 84 Bandwidth Summary Page x Baseline Switch 2924 PWR Plus acom Device QoS gt Bandwidth Summary oy ENECTHNNN ingress Rate Limit Egress Shaping Rates ingress Rate Limit _ Egress Shaping Rates The Bandwidth Summary Page contains the following fields Interface Displays the interface for which rate limit and shaping parameters are defined Ingress Rate Limit Status Indicates the
157. port 3com com When you contact 3Com for assistance please have the following information ready wm Product model name part number and serial number m A list of system hardware and software including revision level m Diagnostic error messages m Details about recent configuration changes if applicable 246 APPENDIX G OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS To send a product directly to 3Com for repair you must first obtain a return materials authorization number RMA Products sent to 3Com without authorization numbers clearly marked on the outside of the package will be returned to the sender unopened at the sender s expense If your product is registered and under warranty you can obtain an RMA number online at http eSupport 3com cor First time users must apply for a user name and password Telephone numbers are correct at the time of publication Find a current directory of 3Com resources by region at http csoweb4 3com com contactus Country Telephone Number Country Telephone Number Asia Pacific Rim Telephone Technical Support and Repair Australia 1800 075 316 Philippines 1800 144 10220 or Hong Kong 2907 0456 029003078 India 000 800 440 1193 PR of China 800 810 0504 Indonesia 001 803 852 9825 Singapore 800 616 1463 Japan 03 3507 5984 South Korea 080 698 0880 Malaysia 1800 812 612 Taiwan 00801 444 318 New Zealand 0800 450 454 Thailand 001 800 441 2152 Pakistan Call the U S direct by dialing 00 800
158. possible field values are a Untagged Indicates the interface is an untagged member of the VLAN lagged Indicates the interface is a tagged member of a VLAN VLAN tagged frames are forwarded by the interface The frames contain VLAN information a Not A Member Indicates the interface is not a member of the VLAN 118 CHAPTER 8 CONFIGURING VLANS Viewing VLAN Port The VLAN Port Detail Page provides information on VLAN configured Details ports To view VLAN Port details Click Device gt VLAN gt Port Detail The VLAN Port Detail Page opens Figure 54 VLAN Port Detail Page Baseline Switch 2924 PWR Plus Device VLAN Port Detail The VLAN Port Detail Page contains the following information m Select Port Selects the ports to be displayed a Untagged membership Indicates the port is an untagged member of the VLAN Tagged membership Indicates the port is a tagged member of a VLAN VLAN tagged frames are forwarded by the interface The frames contain VLAN information Creating VLANs b 119 The VLAN Setup Page allows the network administrator to create or rename VLANs The monitor users have no access to this page To create VLANs Click Device gt VLAN gt Setup The VLAN Setup Page opens Figure 55 VLAN Setup Page Baseline Switch 2924 PWR Plus Device VLAN Setup 3com aa Device Summary Save Configuration Create Admin VLAN IDs Exa
159. r Ethernet provides power to devices over existing LAN cabling without updating or modifying the network infrastructure Power over Ethernet removes the necessity of placing network devices next to power sources Private VLANs provide port based security and isolation between ports within the assigned VLAN Data traffic on downlink ports can only be forwarded to and from uplink ports A protocol proposed by Microsoft Cisco and RSA Security for securely transporting authentication data including passwords over 802 11 wireless networks Like the competing standard Tunneled Transport Layer Security TTLS PEAP makes it possible to authenticate wireless LAN clients without requiring them to have certificates simplifying the architecture of secure wireless LANs Protocol Independent Multicasting PIM This multicast routing protocol floods multicast traffic downstream and calculates the shortest path back to the multicast source network via reverse path forwarding PIM uses the router s IP routing table rather than maintaining a separate multicast routing table as with DVMRP PIM Sparse Mode is designed for networks where the probability of a multicast client is low such as on a Wide Area Network PIM Dense Mode is designed for networks where the probability of a multicast dient is high and frequent flooding of multicast traffic can be justified 242 APPENDIX F GLOSSARY Remote Authentication Dial in User Service RADIUS Remote
160. r any loops A loop can often occur in complicated or backup linked network systems Spanning Tree detects and directs data along the shortest available path maximizing the performance and efficiency of the network TACACS is a logon authentication protocol that uses software running on a central server to control access to TACACS compliant devices on the network Transmission Control Protocol Internet Protocol TCP IP Protocol suite that includes TCP as the primary transport protocol and IP as the network layer protocol A TCP IP protocol commonly used for software downloads UDP provides a datagram mode for packet switched communications It uses IP as the underlying transport mechanism to provide access to Virtual LAN VLAN XModem 243 IP like services UDP packets are delivered just like IP packets connection less datagrams that may be discarded before reaching their targets UDP is useful when TCP would be too complex too slow or just unnecessary A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network A VLAN serves as a logical workgroup with no physical barriers and allows users to share information and resources as though located on the same LAN A protocol used to transfer files between devices Data is grouped in 128 byte blocks and error corrected OBTAINING SUPPORT FOR YOUR 3CoM PRODUCTS 3Com offers p
161. r definable Packets arriving untagged are assigned a default VPT value which is set on a per port basis The assigned VPT is used to map the packet to the egress queue This section contains information for configuring QoS and includes the following topics Viewing CoS Settings Defining CoS Viewing CoS to Queue Defining CoS to Queue Viewing DSCP to Queue Configuring DSCP Queue Configuring Trust Settings Viewing Bandwidth Settings Defining Bandwidth Settings Defining Voice VLAN Viewing CoS Settings 163 The CoS Summary Page displays CoS default settings assigned to ports To view CoS Settings Click Device QoS CoS Summary The CoS Summary Page opens Figure 77 CoS Summary Page S Baseline Switch 2924 PWR Plus acom Device QoS gt CoS Summary E Suma nar E Device Summary Save Configuration The CoS Summary Page contains the following fields a Interface Displays the interface for which the CoS default value is defined wm Default CoS Displays the default CoS value for incoming packets for which a VLAN priority tag is not defined The possible field values are 0 7 164 CHAPTER 13 CONFIGURING QUALITY OF SERVICE Defining CoS b 1 2 3 The CoS Setup Page contains information for enabling QoS globally Monitor users have no access to this page To configure CoS Settings Click Device QoS CoS Setup The CoS Setup Page opens
162. re a Enabled Enables the port a Disabled Disables the port a Flow Control Displays the flow control status on the port Operates when the port is in full duplex mode The possible field values are a Enable Enables flow control on the port a Disable Disables flow control on the port 105 Speed Displays the configured rate for the port The port type determines what speed setting options are available Port speeds can only be configured when auto negotiation is disabled The possible field values are a 0 Indicates the port is currently operating at 10 Mbps a 100 Indicates the port is currently operating at 100 Mbps a 1000 Indicates the port is currently operating at 1000 Mbps a Auto Use to automatically configure the port Duplex Displays the port duplex mode This field is configurable only when auto negotiation is disabled and the port speed is set to 10M or 100M This field cannot be configured on LAGs The possible field values are a Auto Use to automatically configure the port a Full The interface supports transmission between the device and its link partner in both directions simultaneously a Half The interface supports transmission between the device and the client in only one direction at a time AGGREGATING PORTS This section contains information for configuring Link Aggregation which optimizes port usage by linking a group of ports together to f
163. re 0 to 40 C 32 to 113 F Relative humidity 10 to 9096 noncondensing Additional specifications can be found in Appendix B Device Specifications and Features 18 CHAPTER 1 GETTING STARTED Installing the Switch A A LN AN A A AN This section contains information that you need to install and set up your 3Com switch WARNING Safety Information Before you install or remove any components from the Switch or carry out any maintenance procedures you must read the 3Com Switch Family Safety and Regulatory Information document enclosed AVERTISSEMENT Consignes de securite Avant d installer ou d enlever tout composant de Switch ou d entamer une procedure de maintenance lisez les informations relatives a la securite qui se trouvent dans 3Com Switch Family Safety and Regulatory Information VORSICHT Sicherheitsinformationen Bevor Sie Komponenten aus dem Switch entfernen oder den Switch hinzufugen oder Instandhaltungsarbeiten verrichten lesen Sie die 3Com Switch Family Safety and Regulatory Information ADVERTENCIA Informacion de seguridad Antes de instalar o extraer cualquier componente del Switch o de realizar tareas de mantenimiento debe leer la informacion de seguridad facilitada en el 3Com Switch Family Safety and Regulatory Information AVVERTENZA Informazioni di sicurezza Prima di installare o rimuovere qualsiasi componente dal Switch o di eseguire qualsiasi procedura di manutenzione leggere le informazio
164. redefined field value is Admin Displays the predefined administrative user name m Access Level Displays the user access level The lowest user access level is Monitor and the highest is Management a Management Provides the user with read and write access rights a Monitor Provides the user with read access rights 52 CHAPTER 4 MANAGING DEVICE SECURITY Defining System Access p The System Access Setup Page allows network administrators to define users passwords and access levels for users using the System Access Interface Monitor users have no access to this page To define System Access Click Administration System Access Setup The System Access Setup Page opens Figure 21 System Access Setup Page f Baseline Switch 2924 PWR Plus 3 C om V Administration System Access Setup ESEZZEN o Device Summary Save Configuration Create a User Username 1 10 chag Acceso Lovel Memor 9 Password 1 10 che Confirm Password Help Apply Cancel J The System Access Setup Page contains the following fields a User Name Defines the user name m Access Level Defines the user access level The lowest user access level is Monitor and the highest is Management a Management Provides users with read and write access rights a Monitor Provides users with read access rights m Password Defines the user password User passwords can contain up to 10
165. resses are dynamically learned as packets from sources arrive at the device Addresses are associated with ports by learning the ports from the frames source address Frames addressed to a destination MAC address that is not associated with any port are flooded to all ports of the relevant VLAN Static addresses are manually configured In order to prevent the bridging table from overflowing dynamic MAC addresses from which no traffic is seen for a certain period are erased This section includes the following sections m Viewing Address Table Settings m Viewing Port Summary Settings m Adding MAC Addresses to the Address Table m Defining Aging Time m Removing Address Table Ports m Removing MAC Addresses from the Address Table Configuring Address Tables 133 Viewing Address The Address Table Summary Page displays the current MAC address table Table Settings configuration To view address table settings 1 Click Monitoring gt Address Table gt Summary The Address Table Summary Page opens Figure 63 Address Table Summary Page x Baseline Switch 2924 PWR Plus 3com V Monitoring gt Address Table Summary Device Summary Save Contigs avon The Address Table Summary Page contains the following fields m State Filters the list of MAC addresses displayed according to the type of MAC address configuration Possible values are a Al Displays all MAC addresses Static Displays the statically c
166. roduct registration case management and repair services through eSupport 3com com You must have a user name and password to access these services which are described in this appendix Register Your Product to Gain Service Benefits To take advantage of warranty and other service benefits you must first register your product at http eSupport 3com com 3Com eSupport services are based on accounts that are created or that you are authorized to access Solve Problems Online 3Com offers the following support tool a 3Com Knowledgebase Helps you to troubleshoot 3Com products This query based interactive tool is located at http knowledgebase 3com com It contains thousands of technical solutions written by 3Com support engineers Purchase Extended Warranty and Professional Services To enhance response times or extend your warranty benefits you can purchase value added services such as 24x7 telephone technical support software upgrades onsite assistance or advanced hardware replacement Experienced engineers are available to manage your installation with minimal disruption to your network Expert assessment and implementation services are offered to fill resource gaps and ensure the success of your networking projects For more information on 3Com Extended Warranty and Professional Services see http Awww 3com com Access Software Downloads 245 Contact your authorized 3Com reseller or 3Com for a
167. rt p e dta 205 Defining Port Mirroring 1 eene 206 Removing Port Mirroring sue aiee eee 208 Viewing Cable Diagnostics 209 Configuring Cable Diagnostics ssssssssssseee 210 3CoM NETWORK MANAGEMENT 3Com Network Supervisor 212 3Com Network DITectot ou lah a HS 213 3Com Network Access Manager sssssssssssseens 213 3Com Enterprise Management Suite ssssssss rrer enreree 214 Integration Kit with HP OpenView Network Node Manager 214 DEVICE SPECIFICATIONS AND FEATURES Related Standards ee eee ror rer EORR e OR RO e ATAPATA uS AS 215 EnVirotimietital s c iE o o Ee t Ta et eae etal a dex 215 Physical ATA ci ob ete dOnt alte ed open Db Guten Mo cue d Ens det Le Pr 215 Electricalzu ooo s esr eere Me de ris teretes te 216 SWITCH FEATS s sce ceo Pedes Frons Rs tees entes Sd Creed 216 PiIN OUTS N ll NModer Cable eee th ee i Sa oe 221 PEAT Serial Gables cocti tu teme 221 Modermetable sectione set eh i Ghee A ct EL ee 222 Ethernet Port RJ 45 Pin Assignments ssssssssssss 222 TROUBLESHOOTING ProblemiMariagement eset yet te itd ers 224 Troubleshooting Solutions sssssssssssssene 224 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface 227 Console POFE ect etes tst md educa ele etr I mte 227 Logging on to the CE Lee e be tele ts 227 A utomatiGEOgOUE eere terere iier A et eroe eap ERR etus 228
168. rts normally The LED flashes when the system is performing power on self test POST Yellow The system has failed the POST OFF The switch is powered off 10 100 1000 Link Green The port works at the rate of 1000 Mbps the BASE T Activity LED flashes quickly when the port is sending Ethernet port or receiving data status Yellow The port works at the rate of 10 100 Mbps the LED flashes quickly when the port is sending or receiving data OFF The port is not connected Duplex mode Duplex Yellow The port is in full duplex mode OFF The port is not connected or is in half duplex mode 1000Base SFP SFP Green The SFP module is inserted port status Module OFF The SFP module is not inserted or is not Active recognized PoE status PoE Green Delivering power The LED flashes if a fault Status occurs OFF Not delivering power System Specifications 17 System Table 3 contains the system specifications of the 2924 PWR series Specifications switch Table 3 System specifications of the Switch 2924PWR series switch Specification Switch 2924 PWR Plus 24 Port 3CBLSG24PWR Physical dimensions 44x440x265 mm 1 73 17 3 10 43 in HxWxD Weight 3 6 kg 7 9 Ib Console port One Console port Gigabit Ethernet ports on 24 x 10 100 1000 Mbps Ethernet ports the front panel Four Gigabit SFP Combo ports AC Input voltage Rated voltage range 100 240 VAC 50 60 Hz Power consumption 350W full load Operating temperatu
169. rts to be added to the selected VLAN You may select different membership types on multiple ports by repeating step 2 and step 3 Click Apply The selected ports are added to the VLAN and the device is updated 123 Modifying Port VLAN The Modify VLAN Port Page allows the network manager to modify port Settings VLAN settings P The monitor users have no access to this page To modify Port VLAN Settings 1 Click Device VLAN Modify Port The Modify VLAN Port Page opens Figure 57 Modify VLAN Port Page Baseline Switch 2924 PWR Plus S Ne Device VLAN Modify Port Sep Mody VL e n 3com Device Summary Save Coequratice TUE Davies Port Security y elo a oO Untagged c a Tagged Net aababla ter saiacten Enter VLAN ID to add pen to MANO Selected Port Untagged Membership Tagged Membership The Modify VLAN Port Page contains the following fields m Select a Port Selects a port to be modified m Select membership type Displays the membership type for each port on the VLAN The possible field values are a Untagged Indicates the interface is an untagged member of the VLAN a Tagged Indicates the interface is a tagged member of a VLAN VLAN tagged frames are forwarded by the interface The frames contain VLAN information a Not available for selection Indicates the interface is not available for selection a VLAN ID Defines the VLAN ID to which the port is
170. s Maximum Oms Average Oms Summary CLI Commands 231 The Summary command displays the current IP configuration and software versions running on the device It is intended for devices that support separate runtime and bootcode Images Syntax summary Default Configuration This command has no default configuration User Guidelines There are no user guidelines for this command Example The following displays current IP configuration and software versions running on the device Select menu option Summary IP Method Manual IP address 1 2 3 4 Subnet mask 255 255 255 0 Default gateway 4 3 2 1 Runtime version examplel ext Bootcode version example2 ext 232 APPENDIX E 3COM CLI REFERENCE GUIDE ipSetup The ipSetup command allows the user to define an IP address on the device either manually or via a DHCP server Syntax ipSetup dhcp ip address mask default gateway ip address Parameters a dhcp Specifies the IP address is acquired automatically from the Dynamic Host Configuration Protocol DHCP server ip address mask Specifies that the IP address and default gateway are configured manually by the user Range 0 0 0 0 223 255 255 255 Default Configuration No default IP address is defined for interfaces User Guidelines IP Addresses configured beyond the range of 224 0 0 0 are defined as multicast experimental or broadcast addresses If a default gateway
171. s including the capability to m Customize scheduled bulk operations m Create a detailed audit trail of all network changes m Support multiple distributed IT users with varying access levels and individualized network resource control The client server offering operates on Windows and UNIX Linux and Solaris systems 3Com EMS is available in four packages varying in the maximum number of devices actively managed These include SNMP capable devices such as switches routers security switches the 3Com VCX IP Telephony server and wireless access points m Up to 250 devices m Up to 1 000 devices m Up to 5 000 devices m Anunlimited number of devices To find out more about 3Com Enterprise Management Suite go to www 3com com ems Integration Kit with HP OpenView Network Node Manager 3Com Integration Kit for HP OpenView Network Node Manager offers businesses the option of managing their 3Com network directly from HP OpenView Network Node Manager The kit includes Object IDs icons MIBs and traps for 3Com devices The package supports both Windows platforms and UNIX or Solaris platforms It can be installed as a standalone plug in to HP OpenView or used with a 3Com management application such as 3Com Enterprise Management Suite EMS To find out more about 3Com Integration Kit for HP OpenView Network Node Manager go to www 3com com hpovintkit DEVICE SPECIFICATIONS AND FEATURES Related Standards The
172. s all MAC addresses in the range E0 3B 4A C2 CA 00 to EO 3B 4A C2 CA FF VLAN ID Matches the packet s VLAN ID to the rule The possible field values are 1 to 4093 CoS Classifies traffic based on the CoS tag value CoS Mask Defines the CoS mask used to classify network traffic Ethertype Defines an identifier that differentiates between various types of protocols Action Selects the ACL forwarding action In addition the port can be shut down a trap can be sent to the network administrator or packet is assigned rate limiting restrictions for forwarding The options are as follows a Permit Forwards packets which meet the ACL criteria a Deny Drops packets which meet the ACL criteria a Shutdown Drops packet that meets the ACL criteria and disables the port to which the packet was addressed Ports are reactivated from the Port Administration Setup Page 2 Define the fields 3 Click Apply The MAC based ACL rule settings are modified and the device is updated Removing MAC Based ACLs P Defining Access Control Lists 69 The MAC Based ACL Remove Page allows the user to remove MAC based ACLs or MAC based ACL rules Monitor users have no access to this page Click Device ACL MAC Based ACL Remove The MAC Based ACL Remove Page opens Figure 30 MAC Based ACL Remove Page nc Baseline Switch 2924 PWR Plus Device gt ACL gt MAC Based ACL Remove scom Summary Setup Mod
173. s to the rule 80 CHAPTER 4 MANAGING DEVICE SECURITY u 5 W N Removing IP Based ACLs gt a Match IP Precedence Matches the packet IP Precedence value to the rule Either the DSCP value or the IP Precedence value is used to match packets to the rule m Action Selects the ACL forwarding action In addition the port can be shut down a trap can be sent to the network administrator or packet is assigned rate limiting restrictions for forwarding The options are as follows Permit Forwards packets which meet the ACL criteria Deny Drops packets which meet the ACL criteria a Shutdown Drops packet that meets the ACL criteria and disables the port to which the packet was addressed Ports are reactivated from the Port Administration Setup Page Select an ACL from the Se ect ACL list Highlight the rule to be modified Modify the fields in the Modify Rule section Click Apply The ACL rule is modified and the device is updated The P Based ACL Remove Page allows the user to remove IP based ACLs or IP based ACL rules Monitor users have no access to this page Click Device gt ACL gt IP Based ACL gt Remove The P Based ACL Remove Page opens Defining Access Control Lists 81 Figure 34 IP Based ACL Remove Page G2 Baseline Switch 2924 PWR Plus Device ACL IP Based ACL Remove com Remove Device Summary Save Conigurabon ACL Name PATE Remave ACL F Admission P Fl
174. sible causes of the problem With the problem known the effect of the problem is recorded with all known results from the problem Once the problem is quantified the solution is applied Solutions are found either in this chapter or through customer support If no solution is found in this chapter contact Customer Support Troubleshooting Solutions Listed below are some possible troubleshooting problems and solutions These error messages include Cannot connect to management using RS 232 serial connection m Cannot connect to switch management using HTTP SNMP etc m Self test exceeds 15 seconds m No connection is established and the port LED is on m Deviceis in a reboot loop m No connection and the port LED is off m Lost Password Troubleshooting Solutions 225 Problems Possible Cause Solution Cannot connect to management using RS 232 serial connection Cannot connect to switch management using HTTP SNMP etc Be sure the terminal emulator program is set to VT 100 compatible 38400 baud rate no parity 8 data bits and one stop bit Use the included cable or be sure that the pin out complies with a standard null modem cable Be sure the switch has a valid IP address subnet mask and default gateway configured Check that your cable is properly connected with a valid link light and that the port has not been disabled Ensure that your management station is plugged into the appropriate VLAN to
175. sse 0 Ce ene Mat poate fr velacton Monaonmg D Select pert to add to this VLAN Setect it Selection NOTE You may sat detevent membering types cn mutiple ports betore applying Summary Urtagges Membership Tagged Membership E 4 me oem jo tances The Modify VLAN Page contains the following fields m Select a VLAN to modify Selects a VLAN name to modify its settings m Rename Renames the VLAN name m Select membership type Selects the membership type for each port on the VLAN The possible field values are a Untagged Indicates the interface is an untagged member of the VLAN a Tagged Indicates the interface is a tagged member of a VLAN VLAN tagged frames are forwarded by the interface The frames contain VLAN information 122 CHAPTER 8 CONFIGURING VLANS A WN a Not A Member Indicates the interface is not a member of the VLAN a Not available for selection Indicates the interface is not available for selection m Select port to add to this VLAN Adds a selected port to the VLAN m Select All Allows the user to select all ports to be added to the VLAN m Select None Removes the ports selected To rename VLANs Select a VLAN from the list to be renamed Click Rename The VLAN is renamed and the device is updated To add ports to a VLAN Select a VLAN to modify Select the membership type for the selected ports Select po
176. sss 77 Removing IP Based ACLS sss eene 80 oo Viewing AGE Binding iet ete e pep api tts 83 Configuring AGL Binding eo te ele dete 84 Removing AGE Binding eof aed na 85 Enabling Broadcast SLOFITI i i on cnt tt re teet eed petente Pets 86 MANAGING SYSTEM INFORMATION Viewing System Description sssssssssm Hem 89 Defining System Settings sssssssssssssseemee 91 Configuring System Name sss 92 Contigurifig System Time sob denied ak cat 93 Saving the Device Configuration ssssssssssssee 96 Resetting the Device Litora eestate ea e ve d nee 97 CONFIGURING PORTS Viewing Port Settings ee neta ege ra Pere pee greet 99 Defining Port Settings 25 5 dee ote es 102 Viewing Port Details miena R e eme 104 AGGREGATING PORTS Viewing Link Aggregation ssssssssssseH 107 Configuring Link Aggregation ssssssssse 107 Modifying Link Aggregation ssssssse 110 Removing Link Aggregation sssssssssse 112 Viewing LACR eco t St b ente eoe teg 113 Modifying DACP testet e rdi ete dete nd peut 114 CONFIGURING VLANS Viewing VLAN Details ssssssssssssee em 117 Viewing VLAN Port Details sssssssssssssm HR 118 Creating VEANS istae d e eiie edi ttd dete cina p Cete o 119 Modifying VLAN Settings 1 121 Modifying Port VLAN Settings sss 123 REMOVING VIAND ueste soe ie tete cue te fes 124 10 11
177. st Selects an IGMP message type from a list a GMP Type Specifies an IGMP message type a Any Does not filter for an IGMP message type Source IP Address Matches the source IP address to which packets are addressed to the rule a Wild Card Mask Defines the source IP address wildcard mask Wildcard masks specify which bits are used and which bits are ignored A wildcard mask of 255 255 255 255 indicates that no bit is important A wildcard of 0 0 0 0 indicates that all the bits are important For example if the source IP address 149 36 184 198 and the wildcard mask is 0 0 0 255 the first three bytes of the IP address are matched while the last eight bits are ignored Destination IP Address Matches the destination IP address to which packets are addressed to the rule a Wild Card Mask Indicates the destination IP Address wildcard mask Wildcards are used to mask all or part of a destination IP Address Wildcard masks specify which bits are used and which bits are ignored A wildcard mask of 255 255 255 255 indicates that no bit is important A wildcard mask of 0 0 0 0 indicates that all bits are important For example if the destination IP address 149 36 184 198 and the wildcard mask is 0 0 255 255 the first two bytes of the IP address are used while the last two bytes are ignored Match DSCP Matches the packet DSCP value to the rule Either the DSCP value or the IP Precedence value is used to match packet
178. t any client has full access to the port even if it does not have 802 1X credentials or support 802 1X authorization a Auto Indicates that the port control is Auto and a single client has been authenticated via the port Defining Port Based Authentication 802 1X 59 Current Port Control Displays the current port authorization state Guest VLAN Indicates whether an unauthorized port is allowed to join the Guest VLAN The possible field values are a Enable Enables an unauthorized port to join the Guest VLAN a Disable Disables an unauthorized port to join the Guest VLAN Periodic Reauthentication Indicates if periodic reauthentication is enabled on the port a Enable Periodic reauthentication is enabled on the port a Disable Periodic reauthentication is disabled on the port This is the default Reauthentication Period Displays the time span in seconds in which the selected port is reauthenticated The field default is 2600 seconds Authenticator State Displays the current authenticator state Termination Cause Indicates the reason for which the port authentication was terminated 60 CHAPTER 4 MANAGING DEVICE SECURITY Defining 802 1X Authentication b The 802 1X Setup Page contains information for configuring 802 1X global settings on the device and defining specific 802 1X setting for each port individually Monitor users have no access to this page To configur
179. t is 15 seconds 152 CHAPTER 11 CONFIGURING SPANNING TREE Designated Root Bridge ID Identifies the Bridge priority and MAC address Root Bridge ID Identifies the Root Bridge priority and MAC address Root Port Indicates the port number that offers the lowest cost path from this bridge to the Root Bridge This field is significant when the bridge is not the Root Bridge The default is zero Root Path Cost Indicates the cost of the path from this bridge to the Root Bridge Topology Changes Counts Indicates the total amount of STP state changes that have occurred Last Topology Change Indicates the amount of time that has elapsed since the bridge was initialized or reset and the last topographic change that occurred The time is displayed in a day hour minute second format such as 2 days 5 hours 10 minutes and 4 seconds 2 Define the fields 3 Click Apply STP is configured and the device is updated Modifying Spanning Tree b 153 TheSpanning Tree Modify Page contains information for modifying Spanning Tree parameters Monitor users have no access to this page To modify Spanning Tree Click Device Spanning Tree Modify The Spanning Tree Modify Page opens Figure 72 Spanning Tree Modify Page IN Baseline Switch 2924 PWR Plus acom Device gt Spanning Tree Modify wm Device Summary Save Configuration sr Enable Pest Fast Enabled v The Spanning Tree Modi
180. tch 2924 PWR Plus Y 1 The Voice VLAN Summary Page contains the following fields m Voice VLAN State Indicates if Voice VLAN is enabled on the device The possible field values are a Enable Voice VLAN is enabled on the device a Disable Voice VLAN is disabled on the device This is the default value m Voice VLAN ID Indicates the Voice VLAN ID number a Voice VLAN Aging Time Indicates the amount of time after the last IP phone s OUI is aged out for a specific port The Voice VLAN aging time starts after the MAC Address is aged out from the Dynamic MAC Address table The port will age out after the bridge and voice aging times The default bridge aging time is 300 seconds The default voice aging time is one day The format displayed is d Day h Hour m Minute m Ports Enabled for Voice VLAN Displays the ports for which Voice VLAN is enabled 176 CHAPTER 13 CONFIGURING QUALITY OF SERVICE m Ports in the Voice VLAN Displays the ports which are included in the Voice VLAN The possible values are a Dynamic Members Displays dynamic ports added to the Voice VLAN in Auto mode a Static Members Displays static ports that were manually added to the Voice VLAN Defining Voice VLAN The Voice VLAN Setup Page provides information for enabling and defining Voice VLAN globally on the device To configure Voice VLAN Settings 1 Click Device gt QoS gt VoIP Traffic Setting gt Setup The Voice
181. ted The field range is 1 200 000 000 m Priority Defines the priority value of the port The priority value influences the port choice when a bridge has two ports connected in a loop The priority value is between 0 240 The priority value is determined in increments of 16 m RSTPLink Type Specifies whether a Point to Point link is established or if the device is permitted to establish a Point to Point link The possible field values are a Auto Enables the device to establish automatically Point to Point link a Point to Point Indicates if a Point to Point link is currently established on the port Ports set to Full Duplex modes are considered Point to Point port links a Shared Enables the device to establish a shared link m Select Port s Selects the ports to be defined 2 Select the ports to be defined 3 Define the fields 4 Click Apply Spanning Tree is modified on the port and the device is updated 12 CONFIGURING SNMP Simple Network Management Protocol SNMP provides a method for managing network devices The device supports the following SNMP versions m SNMP version 1 m SNMP version 2c SNMP v1 and v2c The SNMP agents maintain a list of variables which are used to manage the device The variables are defined in the Management Information Base MIB The SNMP agent defines the MIB specification format as well as the format used to access the information over the network Access rights
182. ted and its Voice VLAN settings are not displayed This is the default value m Port Displays the Voice VLAN port details for a selected port m Voice VLAN Port Security Indicates the Voice VLAN port security and port mode Port Security ensures that packets arriving with an unrecognized MAC address are dropped see also page 177 a Security Enabled Port security is enabled on the Voice VLAN a Security Disabled Port security is disabled on the Voice VLAN a Mode Manual Port mode is set to Manual on the Voice VLAN a Mode Auto Port mode is set to Auto on the Voice VLAN a Voice VLAN Port Mode Displays the Voice VLAN mode The possible field values are a No Changes Maintains the current Voice VLAN port settings This is the default value a None Indicates that the selected port will not be added to a Voice VLAN a Manual Adding a selected port to a Voice VLAN a Auto Indicates that if traffic with an IP Phone MAC Address is transmitted on the port the port joins the Voice VLAN The port is aged out of the voice VLAN if the IP phone s MAC address with an OUI prefix is aged out and exceeds the defined voice VLAN aging time If the MAC Address of the IP phones OUI was added manually to a port in the Voice VLAN the user cannot add it to the Voice VLAN in Auto mode only in Manual mode 180 CHAPTER 13 CONFIGURING QUALITY OF SERVICE Viewing the OUI Summaries To view Voice
183. tem Files m Restoring Files m Restore the Software Image m Activating Image Files 186 CHAPTER 14 MANAGING SYSTEM FILES Backing Up System Files p 2 3 The Backup Page permits network managers to backup the system configuration to a TFTP or HTTP server The monitor users have no access to this page To backup System files Click Administration Backup amp Restore Backup The Backup Page opens Figure 92 Backup Page 5 Baseline Switch 2924 PWR Plus M Administration Backup amp Restore Backup 3com S Save Configuration Upload va TFTP C Upload via HTTP Configuration Upload TEP Sem Pasis SS Destination Fite Marne gt gt The Backup Page contains the following fields m Upload via TFTP Enables initiating a TFTP upload m Upload via HTTP Enables initiating an HTTP or HTTPS upload Configuration Upload m TFTP Server IP Address Specifies the TFTP Server IP Address to which the configuration files are uploaded m Destination File Name Specifies the destination file to which the configuration file is uploaded Define the relevant fields Click Apply The backup file is defined and the device is updated Restoring Files b 1 187 The Restore Page restores files from the TFTP or HTTP server The monitor users have no access to this page To restore System files Click Administration gt Backup amp Restore gt Restore The Restore
184. tered by the ICMP message code IGMP If checked enables filtering IGMP packets for an IGMP message type The possible values are a Select from List Selects an IGMP message type from a list a GMP Type Specifies an IGMP message type a Any Does not filter for an IGMP message type Source IP Address If selected enables matching the source port IP address to which packets are addressed to the rule according to a wildcard mask The field value is either user defined or Any If Any is selected accepts any source IP address and disables wildcard mask filtering a Wild Card Mask Defines the source IP address wildcard mask Wildcard masks specify which bits are used and which bits are ignored A wildcard mask of 255 255 255 255 indicates that no bit is important A wildcard mask of 0 0 0 0 indicates that all the bits are important For example if the source IP address is 149 36 184 198 and the wildcard mask is 0 0 0 255 the first three bytes of the IP address are matched while the last eight bits are ignored For the source IP address 149 36 184 198 this wildcard mask matches all IP addresses in the range 149 36 184 0 to 149 36 184 255 A wildcard mask must not contain leading zeroes For example a wildcard mask of 010 010 011 010 is invalid but a wildcard mask of 10 10 11 10 is valid Destination IP Address If selected enables matching the destination port IP address to which packets are addressed to the rule
185. the port duplex mode This field is configurable only when auto negotiation is disabled and the port speed is set to 10M or 100M or 1000M per second The possible field values are a Full The interface supports transmission between the device and its link partner in both directions simultaneously a Half The interface supports transmission between the device and the client in only one direction at a time Flow Control Displays the flow control status on the port Operates when the port is in full duplex mode The possible field values are a Enable Enables flow control on the port a Disable Disables flow control on the port 102 CHAPTER 6 CONFIGURING PORTS Defining Port Settings b The Port Administration Setup Page allows network managers to configure port parameters for specific ports Monitor users have no access to this page To configure Port Settings Click Port Administration Setup The Port Administration Setup Page opens Figure 45 Port Administration Setup Page Baseline Switch 2924 PWR Plus Port Administration Setup 3com Pon State lis Change x Speed tio Change v Duplex tio Change x Flow Central lis Change 3j Reactaate Ho Change 3j Select pors Device Summary Save Configuration Administration Device Port Secuy Montaring dep Nate Setting up large numbers of pots may take some tine Enabing Flow Control may affect tha m
186. to be assigned 124 CHAPTER 8 CONFIGURING VLANS 2 Select a port 3 Select the port s membership type 4 Enter the VLAN ID to be assigned to the port 5 Click Apply The VLANs are configured and the device is updated Removing VLANs Pb The VLAN Remove Page allows the network administrator to remove VLANs The monitor users have no access to this page To delete VLANs Click Device gt VLAN gt Remove The VLAN Remove Page opens Figure 58 VLAN Remove Page R Baseline Switch 2924 PWR Plus Device gt VLAN Remove SCOM encTENMUCUCNMETTUSNN Beno Bees esas The VLAN Remove Page contains the following fields a ID Displays the VLAN ID a Name Displays the user defined VLAN name m Select All Allows the user to select the entire table to be removed 2 Select the VLAN IDs to be deleted 3 Click Remove The selected VLANs are deleted and the device is updated CONFIGURING IP AND MAC ADDRESS INFORMATION This section contains information for defining IP interfaces and includes the following sections m Defining IP Addressing m Configuring ARP Settings m Configuring Address Tables 126 CHAPTER 9 CONFIGURING IP AND MAC ADDRESS INFORMATION Defining IP Addressing p The P Setup Page contains fields for assigning an IP address The Default Gateway is erased when the IP Address is modified and changed Packets are forwarded to the default gateway when sent to a remote net
187. to the SNMP agents are controlled by access strings This section contains the following topics m Defining SNMP Communities m Removing SNMP Communities m Defining SNMP Traps m Removing SNMP Traps 156 CHAPTER 12 CONFIGURING SNMP Defining SNMP Access rights are managed by defining communities in the SNMP Communities Communities Setup Page When the community names are changed access rights are also changed SNMP communities are defined only for SNMP v1 and SNMP v2c i gt Monitor users have no access to this page To define SNMP communities 1 Click Administration gt SNMP gt Communities gt Setup The SNMP Communities Setup Page opens Figure 73 SNMP Communities Setup Page G2 Baseline Switch 2924 PWR Plus ac om Administration gt SNMP gt Communities Setup s oa SNMP Status Enatie z F insert New Commune y SIOP Management Managemert Staton Open Access 0 0 0 0 Management Staton Cammy Sinag Access Mode The SNMP Communities Setup Page contains the following fields m SNMP Status Specifies if SNMP is enabled on the device The possible field values are a Enable Enables SNMP on the device a Disable Disables SNMP on the device 157 a Insert New Community Enables adding an SNMP community SNMP Management a Management Station Defines the management station IP address for which the SNMP community is to be defined m Open Access 0 0 0 0 Provides SNMP acc
188. traffic from IP phones on a specific VLAN VoIP traffic has a preconfigured OUI prefix in the source MAC address Network Administrators can configure VLANs on which voice IP traffic is forwarded Non VolP traffic is dropped from the Voice VLAN in auto Voice VLAN secure mode Voice VLAN also provides QoS to VoIP ensuring that the quality of voice does not deteriorate if the IP traffic is received unevenly The system supports one Voice VLAN There are two operational modes for IP Phones m P phones are configured with VLAN mode as enabled ensuring that tagged packets are used for all communications m f the IP phone s VLAN mode is disabled the phone uses untagged packets The phone uses untagged packets while retrieving the initial IP address through DHCP The phone eventually use the Voice VLAN and start sending tagged packets This section contains the following topics m Viewing Voice VLANs m Defining Voice VLAN m Defining Voice VLAN Port Settings m Viewing Voice VLAN Port Definitions m Viewing the OUI Summaries a Modifying OUI Definitions Viewing Voice VLANs Defining Voice VLAN 175 The Voice VLAN Summary Page contains information about the Voice VLAN currently enabled on the device including the ports enabled and included in the Voice VLAN To view Voice VLAN Settings Click Device QoS VoIP Traffic Setting Summary The Voice VLAN Summary Page opens Figure 86 Voice VLAN Summary Page Q gt Baseline Swi
189. ts Provides information for configuring Link Aggregation which optimizes port usage by linking a group of ports together to form a single LAG 4 ABOUT THIS GUIDE Configuring VLANs Provides information for configuring VLANs VLANs are logical subgroups with a Local Area Network LAN which combine user stations and network devices into a single virtual LAN segment regardless of the physical LAN segment to which they are attached Configuring IP and MAC Address Information Provides information for configuring IP addresses DHCP and ARP Configuring IGMP Snooping Provides information for configuring IGMP Snooping Configuring Spanning Tree Provides information for configuring Classic and Rapid Spanning Tree Configuring SNMP Provides information for configuring the Simple Network Management Protocol SNMP which provides a method for managing network devices Configuring Quality of Service Provides information defining Quality of Service including DSCP and CoS mapping policies and configuring Trust mode Managing System Files Provides information for defining file maintenance Managing Power over Ethernet Devices Provides information for configuring ports for PoE Managing System Logs Provides information for viewing system logs and configuring device log servers Viewing Statistics Provides information for viewing RMON and interface statistics Managing Device Diagnostics
190. ts to standard time at 1 00 am on the last Sunday in October The European option applies to EU members and other European countries using the EU standard a Other The DST definitions are user defined based on the device locality If Other is selected the From and To fields must be defined Time Set Offset Sets the offset in minutes to be applied to the system time at the beginning and end of DST The default is 60 minutes The field range is 1 1440 From Configures the non recurring time and date on which DST begins in countries other than the USA and Europe The fields to set are a Hours The hour of the day at which DST begins The field range is 0 23 a Minutes The minute of the hour at which DST begins The field range is 0 59 a Month The month of the year in which DST begins The field range is 7 72 Day The day of the month at which DST begins The field range is 1 31 Year The year in which DST begins The field range is 2000 2037 To Configures the non recurring time and date on which DST ends in countries other than the USA and Europe The fields to set are a Hours The hour of the day at which DST ends The field range is 0 23 95 Minutes The minute of the hour at which DST ends The field range is 0 59 Month The month of the year in which DST ends The field range is 1 12 Day The day of the month at which DST ends The field range is 1 31 Year
191. tup Page contains fields for mapping DSCP settings to traffic queues For example a packet with a DSCP tag value of 3 can be assigned to queue 1 The monitor user has no access to this page To map CoS to Queues Click Device gt QoS gt DSCP to Queue gt Setup The DSCP to Queue Setup Page opens Figure 82 DSCP to Queue Setup Page fx Baseline Switch 2924 PWR Plus 3com Device gt QoS gt DSCP to Queue Setup a L F d X Queue 5 g s AT eta fecha eT Dmi te a fe ee H E C alo isl TB iiw T x est 2 Bs s ah feta s 1E a ts RS e RA s s pa e RJ x zs m bat e Inc 5 153 153 e fed m joe jJ The DSCP to Queue Setup Page contains the following fields m Restore Defaults Restores the device factory defaults for mapping DSCP values to a traffic forwarding queue m DSCP Displays the incoming packet s DSCP value m Queue Specifies the traffic forwarding queue to which the DSCP priority is mapped Four traffic priority queues are supported Define the queue number in the Queue field next to the required DSCP value Click _ Apply The DSCP values are mapped to a queue and the device is updated Configuring Trust Settings 169 The Trust Setup Page contains information for enabling trust on the device To enable Trust Click Device gt QoS gt Trust gt Setup The Trust Setup Page o
192. twork administrator or packet is assigned rate limiting restrictions for forwarding The options are as follows a Permit Forwards packets which meet the ACL criteria a Deny Drops packets which meet the ACL criteria a Shutdown Drops packet that meets the ACL criteria and disables the port to which the packet was addressed Ports are reactivated from the Port Administration Setup Page To create a new IP based ACL Select Create ACL 2 Enter the name of the new ACL 3 Click Create The new ACL is created and the device is updated To define a new IP based ACL rule Select Selection ACL Select the ACL from the list Define the fields for the new ACL rule Click Apply The new IP based ACL rule settings are configured and the device is updated Modifying IP Based ACLs P Defining Access Control Lists 77 The P Based ACL Modify Page allows the network administrator to modify IP Based ACL rules To modify an IP based ACL rule Click Device gt ACL gt IP Based ACL gt Modify The P Based ACL Modify Page opens Monitor users have no access to this page Figure 33 IP Based ACL Modify Page eV Baseline Switch 2924 PWR Plus Device ACL gt IP Based ACL Modify SCOM accNANETEN Deace Summary Save Confiuraton Select bom List COMPS C Prisca io f oo c Any fi m any Urp 84 972 ae 88777 Pom SAE Ra SAE 9 8872 fe 8853
193. ummary Page contains the following fields m Port Indicates the port to which the cable is connected m Test Result Displays the cable test results Possible values are No Cable Indicates that a cable is not connected to the port or the cable is connected on only one side or the cable is shorter than 1 meter Short Cable Indicates that a short has occurred in the cable OK Indicates that the cable passed the test 210 CHAPTER 18 MANAGING DEVICE DIAGNOSTICS Configuring Cable Diagnostics m Cable Fault Distance Indicates the distance in meters from the port where the cable error occurred m Last Update Indicates the last time the port was tested The Diagnostics Page contains fields for performing tests on copper cables Cable testing provides information about where errors occurred in the cable the last time a cable test was performed and the type of cable error which occurred The tests use Time Domain Reflectometry TDR technology to test the quality and characteristics of a copper cable attached to a port When performing cable tests consider the following wm During the tests ports are in the down state m The minimum cable length resolution is one meter so if the cable is shorter than 1 meter the test will display no cable m An open cable or a 2 pair copper cable will display a cable fault distance of 0 m The maximum cable length is 120 meters Viewing Cable Diagnostics 211
194. urity is only applicable when Voice VLAN Port Mode is set to Auto No Changes Maintains the current Voice VLAN port security settings Enable Enables port security on the Voice VLAN Disable Disables port security on the Voice VLAN This is the default value m Select Port Enables selecting specific ports and LAGs to which the Voice VLAN settings are applied The ports are color coded as follows Blue Indicates the port or LAG is selected and Voice VLAN settings are applied to the port White Indicates the port or LAG is not selected and the Voice VLAN settings are not applied This is the default value m Select Ports Lists the ports and LAGs on which the Voice VLAN settings are applied 2 Select a port to configure The port is highlighted blue 3 Define the Voice VLAN Port Mode and Voice VLAN Security fields 4 Click Apply The Voice VLAN port settings are defined and the device is updated Viewing Voice VLAN Port Definitions Defining Voice VLAN 179 The Voice VLAN Port Details Page displays the Voice VLAN port settings for specific ports The Voice VLAN Port Details Page contains the following fields m Select Port Selects specific ports to display their Voice VLAN port definitions The ports are color coded as follows a Blue Indicates the port is selected and its Voice VLAN settings are displayed in the text box below a White Indicates the port is not selec
195. vice is updated 96 CHAPTER 5 MANAGING SYSTEM INFORMATION Saving the Device Configuration b 2 The Save Configuration Page allows the latest device configuration to be saved to the flash memory Monitor users have no access to this page To save the device configuration Click Save Configuration The Save Configuration Page opens Figure 42 Save Configuration Page EAN Baseline Switch 2924 PWR Plus Save Configuration Save Configuration 3 C om Seve Conliguration EE Deco Summary Save Configarabon Administration Device Poet Security x Aonronng Help The following message appears The operation will save your configuration Do you wish to continue Click K The latest device configuration is saved and the device is updated 97 Resetting the Device The Reset Page enables resetting the device from a remote location To prevent the current configuration from being lost save the current device configuration before resetting the device i gt Monitor users have no access to this page To reset the device configuration 1 Click Administration gt Reset The Reset Page opens Figure 43 Reset Page Baseline Switch 2924 PWR Plus Administration gt Reset Reset Reset Power Cycis the unt by presang the Reboot button fx i Ratum the desce to factory detauits by pressing the Intiakze button C intakze wah Covert IP Address Intigkze mth Detautt IP Ad vess
196. which packets are addressed to the rule m Source Mask Defines the source MAC Address wildcard mask Wildcards are used to mask all or part of a source MAC address Wildcard masks specify which bits are used and which are ignored A wildcard mask of FF FF FF FF FF FF indicates that no bit is important A wildcard of 00 00 00 00 00 00 00 indicates that all bits are important 68 CHAPTER 4 MANAGING DEVICE SECURITY For example if the source MAC address is EO 3B 4A C2 CA E2 and the wildcard mask is 00 00 00 00 00 FF the first five bytes of the MAC are used while the last byte is ignored For the source MAC address E0 3B 4A C2 CA E2 this wildcard mask matches all MAC addresses in the range E0 3B 4A C2 CA 00 to E0 3B 4A C2 CA FF Destination MAC Address Matches the destination MAC address to which packets are addressed to the rule Destination Mask Defines the destination MAC Address wildcard mask Wildcards are used to mask all or part of a destination MAC address Wildcard masks specify which bits are used and which are ignored A wildcard mask of FF FF FF FF FF indicates that no bit is important A wildcard mask of 00 00 00 00 00 00 indicates that all bits are important For example if the destination MAC address is E0 3B 4A C2 CA E2 and the wildcard mask is 00 00 00 00 00 FF the first five bytes of the MAC are used while the last byte is ignored For the destination MAC address E0 3B 4A C2 CA E2 this wildcard mask matche
197. wing format Days Hours Minutes and Seconds For example 41 days 2 hours 22 minutes and 15 seconds Software Version Displays the installed software version number Boot Version Displays the current boot version running on the device Hardware Version Displays the current hardware version of the device Poll Now Enables polling the ports for port information including speed utilization and port status 48 CHAPTER 3 VIEWING BASIC SETTINGS Viewing Color Keys The Color Key Page provides information regarding the RJ45 or SFP port status on the device The various colors key indicate the port status speed and link of a selected port To view color keys 1 Click Device Summary gt Color Key The Color Key Page opens Figure 19 Color Key Page EAN Baseline Switch 2924 PWR Plus 7 ve Device Summary Color Key 3com Color Key Device Summary z E orts Save Configuration RAS SFP Meaning meses D G a White Unconnected No link detected Device m S E ellow Lower speed on 10 100 1000M capable port Security gt E m Green Maximum speed 10 100 1000M RJ45 or Monitoring SFP Link detected ind B tight Bue vosxsre Link detected zw m Light Grey Port has been set to inactive by User or Protocol E B Dark Blue Port has been selected by user r1 ES Red Port or Transceiver has failed POST or Transceiver lis not recognized Description of port number e Single
198. wing time for status changes to propagate and for relevant devices to respond 30 60 seconds is considered too long of a response time for many applications The Fast Link option bypasses this delay and can be used in network topologies where forwarding loops do not occur Full 802 1Q VLAN Tagging Compliance IEEE 802 1Q defines an architecture for virtual bridged LANs the services provided in VLANs and the protocols and algorithms involved in the provision of these services An important requirement included in this standard is the ability to mark frames with a desired Class of Service CoS tag value IGMP Snooping IGMP Snooping examines IGMP frame contents when they are forwarded by the device from work stations to an upstream Multicast router From the frame the device identifies work stations configured for Multicast sessions and which Multicast routers are sending Multicast frames 218 APPENDIX B DEVICE SPECIFICATIONS AND FEATURES Table 9 Features of the Baseline Switch 2924 PWR Plus continued Feature LACP Description LACP uses peer exchanges across links to determine on an ongoing basis the aggregation capability of various links and continuously provides the maximum level of aggregation capability achievable between a given pair of systems LACP automatically determines configures binds and monitors the port binding within the system Link Aggregated Groups The system provides up to eight Link Aggre
199. witch Enter the logout command to terminate the CLI session The initial setup of your switch is now complete and the switch is ready for you to set up your chosen management method See Methods of Managing a Switch on page 19 This section describes how to view the automatically allocated IP information using the command line interface The automatic IP configuration process usually completes within one minute after the switch is connected to the network and powered up Connect to the switch Console port as described in Connecting to the Console Port page 23 The automatic IP configuration process usually completes within one minute The command line interface login sequence begins as soon as the switch detects a connection to its console port At the login prompt enter admin as your user name and press Return 4 Atthe password prompt press Return If you have logged on correctly Select menu option is displayed 26 CHAPTER 1 GETTING STARTED 5 Enter Summary to view a summary of allocated IP addresses The following is an example of the display from the Summary command Select menu option summary IP Method default IP address 169 254 99 51 Subnet mask 25574255 0x0 Runtime version 00 00 38 date 01 Apr 2007 time 15 31 29 Bootcode version 1 0 0 12 date 01 Apr 2007 time 17 44 52 Select menu option The initial set up of your switch is now complete and the switch is ready for you to set up your c
200. work The monitor user has no access to this page To define an IP interface Click Administration IP Setup The P Setup Page opens Figure 59 IP Setup Page Baseline Switch 2924 PWR Plus Administration gt IP Setup IP Setup iP Sowp Configuration Static User om ration Method H IP config ad by DHCP S ieu gd Lee Jo ewe The P Setup Page contains the following fields m Configuration Method Defines whether the IP address is configured statically or dynamically The possible field values are Static Specifies that the IP Interface is configured by the user a DHCP Specifies that the IP Interface is dynamically created m IP Address Defines the IP address m Subnet Mask Defines the subnet mask m Default Gateway Defines the default gateway 2 Select Static or DHCP mode 3 If Static has been selected configure the P Address Subnet Mask and Default Gateway 4 Click Apply The IP configuration is enabled and the device is updated Configuring ARP Settings 127 Configuring ARP Settings The Adaress Resolution Protocol ARP converts IP addresses into physical addresses and maps the IP address to a MAC address ARP allows a host to communicate with other hosts when only the IP address of its neighbors is known This section includes the following sections m Viewing ARP Settings m Defining ARP Settings m Removing ARP Entries 128 CHAPTER 9 CONFIGURING IP AND
201. y p el e em The MAC Based ACL Remove Page contains the following fields m ACL Name Selects a MAC based ACL for removal m Remove ACL Enables the ACL to be removed m Checkbox unnamed When checked selects the rule for removal The top checkbox is used to select all rules for removal m Priority Indicates the rule priority which determines which rule is matched to a packet on a firstmatch basis m Source Address Matches the source MAC address to which packets are addressed to the rule m Destination Address Matches the destination MAC address to which packets are addressed to the rule a VLAN ID Matches the packet s VLAN ID to the rule The possible field values are 1 to 4093 m CoS Classifies Class of Service of the packet 70 CHAPTER 4 MANAGING DEVICE SECURITY a CoS Mask Displays the wildcard mask bits to be applied to the CoS m Ethertype Provides an identifier that differentiates between various types of protocols m Action Indicates the ACL forwarding action In addition the port can be shut down a trap can be sent to the network administrator or packet is assigned rate limiting restrictions for forwarding The options are as follows a Permit Forwards packets which meet the ACL criteria Deny Drops packets which meet the ACL criteria a Shutdown Drops packet that meets the ACL criteria and disables the port to which the packet was addressed
202. y Page displays parameters for viewing general device Settings information including the system name location and contact the system MAC Address System Object ID System Up Time and MAC addresses and both software boot and hardware versions To view the Device Summary Settings 1 Click Device Summary The Device Summary Page opens Figure 18 Device Summary Page Qe Baseline Switch 2924 PWR Plus ib Device Summary 3com Device View MNEECIETNMME Device Summary Save Configuration Admmistraton Device The detest poling imanal ia 60 sec The Device Summary Page contains the following fields m Product Description Displays the device model number and name m System Name Defines the user defined device name The field length is 0 160 characters m System Location Defines the location where the system is currently running The field range is 0 160 characters m System Contact Defines the name of the contact person The field length is 0 160 characters m Serial Number Displays the device serial number m Product 3C Number Displays the 3Com device 3C number 47 System Object ID Displays the vendor s authoritative identification of the network management subsystem contained in the entity MAC Address Displays the device MAC address System Up Time Displays the amount of time since the most recent device reset The system time is displayed in the follo
203. you can use the Command Line Interface through the Console port for basic operations of the switch including setting and viewing the IP address configuring user accounts upgrading switch firmware and more Refer to 3Com CLI Reference Guide on page 227 Each switch has an internal set of web pages that allow you to manage the switch using a Web browser remotely over an IP network see Figure 2 20 CHAPTER 1 GETTING STARTED SNMP Management Figure 2 Web Interface Management over the Network Switch Workstation D OO E LILI LICLILLI EUN F9 Connect over Network via web browser fy lt Refer to Setting Up Web Interface Management on page 27 You can manage a switch using any network management workstation running the Simple Network Management Protocol SNMP as shown in Figure 3 For example you can use the 3Com Network Director software available from the 3Com website Figure 3 SNMP Management over the Network SNMP Network Management Switch Workstation G Connect over Network using SNMP Corot nan Refer to Setting Up SNMP Management V1 or V2 on page 28 Switch Setup Overview This section gives an overview of what you need to do to get your switch set up and ready for management when it is in its default state The whole setup process is summarized in Figure 4 Detailed procedural steps are
204. ystem Access Interface The Multi Session web feature is enabled on device and allows 10 users to be created and access the switch concurrently Access levels provide read or read write permissions to users for configuring the switch Login information is managed in the local database A unique password is required of each user Two access levels exist on the 3Com Web Interface a Management access level Provides the user with read write access There is always one management level user configured for the Switch The factory default user name is admin with no password a Monitor access level Provides the user with read only system access This section contains the following topics m Viewing System Access Settings m Defining System Access m Modifying System Access m Removing System Access Viewing System Access Settings Configuring System Access 51 The System Access Summary Page displays the current users and access levels defined on the device To view System Access settings Click Administration System Access Summary The System Access Summary Page opens Figure 20 System Access Summary Page Baseline Switch 2924 PWR Plus Administration System Access Summary acom TT Device Summary Save Configuration rd Administration Deses Port Secuny Monitoreo Heip The System Access Summary Page contains the following fields m User Name Displays the user name The possible p

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